Something Sudo Reboot says due to a complete lack of knowledge in any given subject area.

a greeting that bears a similar meaning to "what's up?" or "how's it going?"

A popular phrase used by gumball in the TV kids show "the amazing world of gumball".

Very old-fasioned upper-class British expression seeking agreement with whatever you've just said. Similar to "don't you think?"

Play on what the hell or WTF. Apparently coined by Tina Fey's Liz Lemon character on the tv sitcom 30 Rock. Somewhat sarcastic poke at tv language censor dubbing where over-dubbed audio often uses lame alternatives the actual swear word. What the fuck you motherfucker would be dubbed "What the frick you motherlover?!?"

A signal of comradery given among gangstaz to symbolize brotherhood. That is, not to exclude womyn either.

A what what is a person who makes you wanna scrap them and say 'what' to them. A what what is an annoying prick who pisses you off daily.