The Bowling Ball has been used for many years in sexual foreplay.. You middle finger and ring finger on the hand you would use a Bowling Ball..

Take those 2 fingers and stick it into a girls pussy..then you take your thumb and stick it in her ass.. Go a full on 2 in the pink and 1 in the stinnk.

The Bowling Ball is used as an insult to a whore of a woman by inserting your middle finger and ring finger into a her vagina while stuffing your thumb in her anal cavity and heaving her into the alley. Also know as two in the Plum, thumb in the bum.