Someone who demonstrates an obsessiveness with negativity over childish issues and uses hyperbole or outright lies in attempts to attack their perceived wrongdoers.

The act of laughing so hard that one cannot stop. Sometimes the word itself brings this action.

1) (n.) A person who indulges (often at length) in laughing obnoxiously at their own statements, be they humorous or not.

2) (n.) A person who indulges in accomplishing the same social faux pas with the written though by using the common "LOL" at the end of their own Social Networking posts.

i.e. "I just desecrated my toilet after taco night! LOL!!"

3) (n.) A term of endearment for somebody you would like to gently slander, yet still remain friends with.

An idiot or wise ass that has nothing better to do than fight on the interwebs.

A long overly exasperated use of the world or action chuckle. Too much laughter, or using the word too much. Especially when the joke has gone stale.

a phrase used to describe someone who is being a complete asshole. The person won't stop being idiotic and deserves a good smack in the face.

When for no reason you start laughing in mid-coitus.