silllass 

a ghetto or drunken way of saying silly ass.

Greg you such a silllass.

silllass by jarriXI November 17, 2004

sillyass

A crazy motherfucker who giggles a lot

the giggly boy is a sillyass

mom don't be such a sillyass

sillyass by That Dark Haired Chica December 31, 2003

sillyass

A person whose ass constantly looks like a clown. Or Nemo from Finding Nemo.

Bozo looks like my ass. Weird.......

sillyass by James F. Casey December 30, 2003