Ass heaves Share definition Flag When you shit so much nothing else comes out but foam. The same as dry heaves but from your ass. After eating that food from that take out joint, i was on the toilet for hours shitting with ass barfs until i had the ass heaves. Ass heaves by WW_OZ August 20, 2009 0 0 Get merch Get the Ass heaves mug. Buy Now — $32.95 See more merch