1) A big girl
2) A swamp donkey w/ large diary pillows who's down to screw at the drop of a hat. Usually revolting in appearance.
3) Horny ass fat chick
Don't do it Colin! I don't care how smashed you are, that big breasted belly thrasher will hurt you....
by Samhain_Knight September 3, 2004
Get the Big Breasted Belly Thrasher mug.