Top definition
A common term in the porn industry to measure the distance between the scrotums of two males while performing a devils threesome. 1-2 inches is the norm. If there is less than 1/16 of an inch one or more of the actors most likely performs in gay porno films as well.
Vicky was so fat Carl and Kenny could have parked a Kenworth between the ball gap.
by Stinner July 06, 2018
Get the mug
Get a Ball gap mug for your coworker Riley.