Definitions by BigK1D

that guy 

One who does something stupid, annoying, or pointless.

One who asks questions they know the answer to simply to try and feel less stupid.

Anyone who fucks up.

*proffessor writes 5+5=10*
Prof: See, the result is 5.
That Guy: duh.. don't you mean the result is 10??
Everyone Else: Shut the fuck up dumbass, stop being that guy.

that guy by BigK1D April 28, 2004