Coach Paffenroth during film session: What are you laughing at Egan?
Egan: Mondo's Tattoo of the Incredible Hulk
Coach Paffenroth: You think thats funny... (break clip board over knee) I'll jack-u-up!
Egan: Mondo's Tattoo of the Incredible Hulk
Coach Paffenroth: You think thats funny... (break clip board over knee) I'll jack-u-up!
by madaket06 January 6, 2010

An "up jack" is when you ejaculate into your own face and rub the semen into your nostrils.
You can up jack someone else by grabbing their penis and causing them to ejaculate into their face, at which time you rub the semen into their nostrils.
You can up jack someone else by grabbing their penis and causing them to ejaculate into their face, at which time you rub the semen into their nostrils.
by Thadeous December 10, 2008

"yeah me and tina was jacking jill up the hill last night, and she made it all the way to the top, and I came right right after her"
by Naruchico January 2, 2009

by Little Retard November 5, 2005

by John McKay April 6, 2004

Example 1 :
Your trousers are serious jack ups.(only if it is really visible that they are above your ankles)
Example 2:
Look at them jack ups, they are too LOL
Your trousers are serious jack ups.(only if it is really visible that they are above your ankles)
Example 2:
Look at them jack ups, they are too LOL
by Itz_cutequeen October 13, 2017

A term used when you eat so much mother fuckin better that you preform a persevere that involves ripping the butter sticks out of your asshole than deepthroughting them until you choke and die
by Ppinme69 March 19, 2015
