jean peen 

when jeans are worn, often the zipper part sticks out. this is called a jean peen or jean penis

person 1: so do you like my new jeans?
person 2: they're pretty, but when you sit down you get a serious jean peen.

jean peen by i[dont]loveyou. January 18, 2008

Jean peen 

Taking a picture in a mirror ( mainly in a dressing room or public toilet ) of your penis hanging out of your fly

“He went in to the changing rooms and enjoyed the full length mirrors, so decided to do a ‘ jean peen’ shot to show his partner”

Jean peen by Jessiexkane February 11, 2020

Jean Peen 

When you’re sitting down and your jeans bunch up and it looks like a bulge

“Dude you have major jean peen right now”

Jean Peen by Jeanpeenforlife August 25, 2018

Jean peen 

Jean peen is when a women's jeans creases at her crotch, making a bulge that looks like a penis.

She has a Jean peen when she sits.

Jean peen by Aar96 February 28, 2017