heave a bail Share definition Flag to excrete fecal matter from one's anus, mainly a large, intact, and commonly painful, peace of feces. Joe was on his way to the show, when he realized he had to heave a bail. heave a bail by Eric Daniel Johnson August 6, 2007 0 0 Get merch Get the heave a bail mug. Buy Now — $32.95 See more merch