A water filled bag used to add ballast to boats in order to produce a larger wake. This enables wakeboarders to get more air.
by TT September 12, 2003
by fun-o-bunz August 13, 2003
by tha dude December 17, 2006
#1oo look my foods having super fat hap sac
#2 look at the bacon and pancake having super fat hap sac
#2 look at the bacon and pancake having super fat hap sac
by ads March 12, 2005