Top definition
A complete loser who generally plays in his/her high school band and sits at home when not busy doing homework or practicing BLOWING into their instrument, by playing video games all day.
LOSER: I just got home from band and now I have to do my homework while playing Halo 3 to create my 3rd level 50 and hurry up and sell it!.

"COOL" KID:Shut up you Damn Haack.
by THE SKEEEEEEEET MACHINE! October 08, 2009
Get the mug
Get a Haack mug for your sister Rihanna.