look up any word, like bukkake:
When an ass is so big, half of it hangs off the seat.
Don't sit your hafass on that fisher price chair.

by theheltons October 29, 2007

Words related to hafass

ass big cheek end halfass noun one rear seat sitting
Someone sitting on anything with one buttcheek.
At the diner, i noticed a hafass on the stool next to me.
by worvert July 20, 2007