This is a two part move. First, tuck your junk under and back and hold your junk back with your butt cheeks. At this point your slingshot is loaded...now just to find a victim. It's best if you find someone's face. Release the tension on your butt cheeks slingshoting your junk forward. Can be an insult or an offering.
Engaging in sexual relations with a girl who is so much of a tom-boy that she contains all or part of the male anatomy alongside her female anatomy. While banging this girl you will want to tape or have a close friend hold the ball sack out of the way for maximum pleasure.
Dude you been OhioGum slinging with that chick yet?
When you have to pee in a movie but don’t want to miss anything, and must do the following mental equation: will the amount I have to pee cause enough discomfort to diminish my attention capacity for the remainder of the movie to an extent which is greater than the amount of the movie I would miss by making a mad dash to the restroom.
I saw Satantango last night, wonderful film but by the 5th hour I had to start doing pee calculus.
Short-hand for the word floccinaucinihilipilification, meaning the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language).