Brian Shaw lifting

This is an animated gif of American professional strongman competitor Brian Shaw lifting 1073 pounds / lbs. That's the same as 486kg.

Kid gets hit with ball to the face

This is animated gif of a kid in a grey top getting hit in the face with a ball. Not sure what kind of ball it is. Hilarious the way he just turns his head and gets planted.

Ringo Dancing

This is an animated gif of Beatles drummer Ringo Starr dancing. Ringo is one of two surviving members of the Beatles.

Man throwing shoes at George Bush

This is an animated gif of an Iraqi journalist throwing his shoes at former US president George Bush. Apparently, throwing your shoes at someone is considered to be one of the highest forms of disrespect in Arab culture.

Tyson Uppercut

This is an animated gif of Iron Mike Tyson uppercutting / punching some poor unfortunate guy. Tyson was well known for being an aggressive fighter with a lot of power.

Calling Bullshit

This is an animated gif of some guy calling "bullshit" with his cellphone. He then puts the phone up to his ear with big smile on his face. This is a great reaction for whenever somebody is lying on the Internet.

Tom Cruise Laughing

This is an animated gif of actor / Scientology member Tom Cruise laughing during an interview. This is a great reaction for whenever somebody online says something that is downright absurd.

White People

This is an animated gif of a girl dancing while the text "White People" is layered over it. This is one of the girls from the Rebecca Black "Friday" music video. The whole white meme is intended to highlight how awkward and "unhip" middle class Americans are.

Justin Bieber getting shot

This is an animated gif of singer Justin Bieber getting shot by John Wayne. Obviously, this one has been edited by somebody. The scene of the shooting is from CSI, a show that Bieber played a criminal on for one episode.

Growth of Walmart

This is a pretty interesting animated gif that shows how quickly Walmart grew from 1962 onward. In case you didn't already know, Walmart is a gigantic multinational retailer that runs a chain of discount department stores.

Star Trek nod

This is an animated gif of Dr. Leonard McCoy (DeForest Kelley) and Captain James T. Kirk (William Shatner) nodding at one another. This is from the original Star Trek series.

Man shooting himself in the head

This is animated gif of a man walking onto a beach before shooting himself in the head. Not sure what movie this is from. This can be used as a reaction gif for whenever somebody online says something that makes you lose all hope for humanity.

Kicking globe at child

This is an animated gif of some guy kicking an inflatable globe / earth at some poor kid and knocking him over. The text reads: "Hey kid! The world hates you!"

James Franco Wink

This is an animated gif of a guy (James Franco) turning around and winking. Franco is an American actor who has starred in movies such as Pineapple Express and Rise of the Planet of the Apes.

Anderson Silva dodge

This is animated gif of UFC Brazilian mixed martial artist Anderson Silva dodging a number of punches and making his opponent look stupid. Currently, he is the UFC middleweight champion. He's also the longest reigning champion.

Tommy Lee Jones Ping Pong

This is an animated gif of American actor Tommy Lee Jones playing ping pong. The fact that he doesn't even have to move makes this a great analogy gif that sums up how it feels to go against the impossible.

Tiger Woods putting his fist in the air

This is animated gif of golfer Tiger Woods celebrating by putting his fist in the air. This can be used whenever you want to express success online.

Terminator shooting children

This is an animated gif of The Terminator from Terminator 2 shooting children with his shotgun. Obviously, this has been edited as I'm pretty sure that the T-800 didn't shoot a bunch of kids.

Reddit Repost

This is an animated gif of a scene from Family Guy. Somebody has edited it so that it's making fun of the sheer amount of reposts on Reddit.

Tina Fey high five

This is an animated gif of Tina Fey throwing herself a high five. This can be used as a reaction whenever somebody acts self-congratulatory. Tina Fey is an American comedian and actress.

George Costanza clapping

This is an animated gif of Seinfield character George Costanza clapping. Costanza is played by actor Jason Alexander. The show ran from 1989 to 1998.

What do you want for dinner? Justice!

This is animated gif of a guy in a Batman suit walking up behind a woman (presumably, his mother). She asks him "What do you want for dinner?" and he replies "Justice", before getting her in a choke hold.

Oh Children. It's Dinner Time

OK. I don't know WTF is going on here. All I know that this is from some sort of modern theater play. The guy is basically hitting some sort of meta pole off a metal post. Somebody has added the text "Oh Children, It's Dinner Time" to the gif. This is often used as a reaction gif whenever somebody wants to let everyone know that they're about to lay the smackdown.

Fuck everything

If you know the source for this, please post a comment in the comments section below. This is an animated gif of some guy in an office throwing things around in an annoyed fashion. The text reads: "Fuck this. And this. And that. And this. Fuck everything."

Hahaha, fuck you! - Mr. Chow

This is animated gif of Mr. Chow from The Hangover (2009) sarcastically laughing before saying "Fuck you". The text reads "Hahaha, fuck you!". This reaction gif can be used whenever somebody online makes a joke at your expense.

Crying Indian

This is an animated gif of a crying Indian / Native American. The way he turns his head as a single tear rolls down his face makes this a great reaction gif for whenever somebody says or does something that upsets you. Not sure where this is from. If you know, please post the source in the comments below.

Veronica Belmont

This is an animated gif of Veronica Belmont dancing / shaking / whatever, I don't really know. Veronica is a co-host of the show Tekzilla. She currently lives in San Francisco, California with her fiance Ryan Block.

Usain Bolt

This is an animated gif of Jamaican sprinter Usain Bolt doing a fist bump with a steward at the 2012 London Olympics. Bolt is considered by many to be the fastest man of all time. In this gif, he tricks the steward by faking a fist bump.

Oh My God I Almost Died

This is an animated gif of Adam from Workaholics saying "Oh My God I Almost Died". This gif has often been used as a reaction to over-exaggerate about. Workaholics is a television sitcom that premiered on Comedy Central.

Shia LaBeouf - Magic

This is an animated gif of a long-haired Shia LaBeouf waving his fingers and saying "Magic." Shia is an American actor who starred in the Disney series Even Stevens.

Cat hugs man

This is an animated gif of a white cat standing up and hugging a man in a blue t-shirt. DAAAAAAAAAAAAAW!

Kanye West laugh

This is an animated gif of US rapper Kanye West laughing before turning his head and instantly changing his facial expression to one of annoyance. This is a great reaction whenever you want to express fake laughter at something.

Robert Picardo facepalm

This is an animated gif of Robert Picardo (aka The Doctor, aka EMH) doing an old-fashioned facepalm. Picardo played the character EMH in the TV series Star Trek: Voyager, which ran between 1995 and 2001.

Jeff Van Gundy Stare

This is an animated gif of Jeff Van Gundy staring during an interview on ESPN. As the other reporters are talking, Van Gundy just stares ahead into space. Jeff is a former American basketball coach.

Obama on Skateboard

This is an animated gif of US President Barack Obama on a skateboard. This is an edited version of his entrance into the Nuclear Security Summit in Seoul 2012.

Christina Grimmie dancing

This is an animated gif of Youtuber Christina Grimmie dancing. Christina goes by the Youtube username zeldaxlove64 and is an 18 year old singer/songwriter from New Jersey.

Jeremy The Lion

This is an animated gif of a Jeremy the lion hugging a man through the bars. The text reads: "I don't know Jeremy, sometimes I just feel ugly! WHAT? Listen to me. You are flawless. You are flawless and I love you!"

Michelle Obama thumbs up

This is an animated gif of Michelle Obama giving a thumbs up (note the classic "NOT BAD" facial expression). This can be used as a reaction whenever somebody says or does something online that you agree with.

Stephen Hawking duckface

This is animated gif of theoretical physicist Stephen Hawking doing the duckface with two other girls. Hawking is wheelchair-bound because of a severe form of motor neurone disease.

Texas fan - Oh My God

This is an animated gif of a Texas fan putting her hands on her head and saying "Oh my God". This was during a game versus UCLA. Obviously, the girl in this gif wasn't exactly happy about her team's implosion.

Arsene Wenger Pocket

This is an animated gif of Arsenal manager Arsene Wenger trying to put his hands into his pockets. Wenger is well known for kicking water bottles etc whenever things don't go his way. During this scene, he's incredibly nervous.

Christian Bale and Kermit the Frog

This is an animated gif of actor Christian Bale and Muppet Kermit the Frog nodding at one another in agreement.

Lady Gaga - No

This is an animated gif of pop star Lady Gaga holding up a sign that says "No". Gaga is a 26-year-old American singer / songwriter from New York city.

Man grabs ice cream

This is an animated gif of a man grabbing an ice cream at a drive thru / drive through. The look of shock on the worker's face is hilarious as the guy grabs the ice cream and starts eating it in front of him.

Two male fans kissing

This is an animated gif of two guys kissing each other at what looks to be a basketball or baseball game. The best part about this kiss is the reaction from the terrified / shocked guy in the middle.

It's only game. Why you have to be mad?

This is an animated gif of Russian professional hockey player Ilya Bryzgalov saying "It's only game. Why you have to be mad?" during an interview. This can be used as a reaction gif whenever you troll somebody in an online multiplayer.

Swan attacks man on kayak

This is an animated gif of a swan attacking a man in a kayak. Angry territorial swans are nothing to joke about. As you can see, the attack is pretty vicious and the guy's kayak ends up overturning.

Eddie Murphy nodding

This is an animated gif of actor Eddie Murphy nodding. It's obvious that he doesn't actually agree with the person and that he's kind of taken aback by what has just been said. This reaction gif sums up how I feel when a friend of mine starts talking about conspiracy theories.

ROFL

This is an animated gif of the Star Trek members rolling around the floor. Somebody took it upon themselves to add the word "ROFL" over it.

John Simm crying

Edit: Info was wrong. This is actually John Simm...

This is an animated gif of actor Simon Pegg crying at what looks to be a computer. This reaction can be used whenever you see something online that upsets you. Or... you could use it sarcastically. Whatever floats your boat. Simon Pegg is well known for his roles in Shaun of the Dead and Hot Fuzz.