This is one annoying cat. Listen to that laugh.
This kid's parents try to hold it together while they listen to their son talk to his poop...lol
This cute little guy just loves tearing up paper!
Some chick read something funny on her phone and started laughing uncontrollably. By the end of the video, the whole subway train is laughing. It really is contagious!
The host can not stop laughing.
Sometimes sad tv moments could use a laugh.
An Arab viewer writes into the The Colbert Report TV show.
This guy tries to do an interview but can't stop laughing. Warning, you may laugh along since laughing is contagious.
This Jamaican dude has the best laugh ever!