To hit one in the chin with a pair of testicles. One step up from the "T-Bag", and with a more hazerdous outcome to the victim. Often leaving a bruise on the chin. Followed by an echoing "pung" sound.
A reference to doggy style gay sex where the pitcher's abnormally long balls (bean bag) swing in a pendulum like manner and strike the underside of the catcher's fleshy meatsac (bean bag).
Gay Guy 1: "oh my cubes are so bruised from that vicious game of bean bag tag last night."
Gay Guy 2: "did you play with joe again?"
Gay Guy 1: "yea, when he gets his momentum going his nuts are like two cannonballs in a pair of nylons!"
Gay Guy 2: "Yea i know what that is like... his flesh bag is a wrecking ball designed for crushing man bags."
Bastard. Originally used in the 1984 movie Johnny Dangerously. This PG flick introduced bastage, fargin', and icehole as PG terms for similar sounding words.