What is Yahhh!?
the most obnoxious song, uhm, EVER.
sung by "soulja" boy. you know, the guy that taught our generation how to "crank dat", which, in turn, lowered our iq as a whole by about twenty points.
person 1: YAH TRICK YAHHH!!
person 2: dude. no.
See soulja, boy, yahhh, ya, trick