look up any word, like sex:

1 definition by Mahirro

Where one girl lays on top of a another
girl like a bunkbed and then you have sex with one and then the other one
continuesly switching back and forth.
Mario totally bunkbeded those two chicks.
Im totally gonna bunkbeding those chicks.
I gave them the bunkbed treatment.
by Mahirro March 24, 2008
5 3