When numerous persons with the name of Jack gather and compete over who can pleasure themselves the best, most efficiently, or fastest. Any other competition parameter works under this term, but it must pertain to multiple Jacks masturbating.
"Hey homie, did you attend the Jack jack off off last night?"
"Yeah man! Jack was on fire, but other Jack finished in record time. I couldn't believe my eyes!"
"Yeah man! Jack was on fire, but other Jack finished in record time. I couldn't believe my eyes!"
by Yo Mama's skydiving accident June 23, 2020

When a person, male or female, tends to stroke your penis until you get off. Otherwise known as a handjob. It is another way to have someone else masturbate you when you really do not want to have sex.
Last night Sarah asked me, "Can I jack you off? So, I said "sure".
"Wow, I really would love to jack you off, baby!"
"Wow, I really would love to jack you off, baby!"
by Thotcrates October 03, 2016

Dude 1: Dude, I challenge you to a jack-off-off. I've been saving up.
Dude 2: No good dude, I've already busted a load today.
Dude 2: No good dude, I've already busted a load today.
by necronanofelcher November 17, 2009

A term people use to describe the act of a woman jerking off a guy and then proceeds to do one of two things:
- put the semen in her mouth (SHE WILL ONLY DO THIS FOR ATTENTION)
- stroke her vagina across the semen
(SHE WILL DO THIS FOR PREGNANCY)
- put the semen in her mouth (SHE WILL ONLY DO THIS FOR ATTENTION)
- stroke her vagina across the semen
(SHE WILL DO THIS FOR PREGNANCY)
Michael: Okay, babe. Let's do the, you know...
Beth: Oh, do I get to jack you off?
Michael: Yep! But mouth, not vagina I plan to leave you tomorrow not in 18 years.
Beth: Oh, do I get to jack you off?
Michael: Yep! But mouth, not vagina I plan to leave you tomorrow not in 18 years.
by CrazyChixo October 03, 2016

by feralnogitsune August 06, 2008

by Lostathome October 02, 2016

by Definitions??? September 24, 2016
