when I was 12 I would do it 3-4x a day.
by alex December 30, 2004
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Jack Off: When a male masturbates.
Fank is going to jack off in his room.
by ~Keyona January 10, 2004
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When a young man or old man (can be both) get hard or also known as horny, they're penis starts to rise up. If they don't have anyone at the moment to help them with their needs, then they go to a private place such as the shower or their bed or also local wal-mart and go in a up and down motion on their penis. Causing them to feel the pleasure of having sex with a girl, or also feel the burn. When they reached their maximum pleasure a tasty substances called cum squirts out, and that is when he or she knows they are done jacking off.
Last night i could hear my dad jacking off

Me and your dad jacked off to porn last night
by iknowuwithallmymight May 14, 2010
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1. Verb. Exercising the art of masturbation
2. Verb. To create an orgasm simulating another sexual partner with the hand or other masturbating aids (e.g. fleshlight, hand, dildo)
3.Noun. An asshole, homo, or otherwise retard who's by calling them a jack-off is saying that they shouldn't have been born and was a waste of sperm which is a jack-off
4.Noun. A waste of sperm produced by the art of masturbation
Tom is a porn addict, therefore he likes to jack-off.

Tom jacks off in public for everyone to view therefore he is a jack-off.

Tom likes to jack-off so much his girlfriend has nothing to do but, jack-off.
by Tom February 28, 2006
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When a guy makes a fist and slides it back and forth across his penis for pleasure
Cami : Thanks for working out with me today!
Olivia : No problem I just love working out at Planet Fitness!
Ben : Ahhhh! Ahhhh! Ahhhh! Boob's & Legs
Chad : Ahhhh! Ahhhh! Ahhhh! Long Hair & Gym Shorts
Steve : Ahhhh! Ahhhh! Ahhhhh! Sock's & Scrunchie's
Cami : Uh why are those guy's over there Jacking Off?
Olivia : Because silly we are hot!
Cami : Then why is that one guy Jacking Off to our socks and hair scrunchie's?
Olivia : Hell I don't know he's probably retarded?
Steve : Hey pretty girls care if I sniff your socks? Ahhhh! Ahhhh! Ahhhhh!
Olivia : Uh maybe we should go across the street and work out at the new Gold's Gym?
Cami : Uh yeah im with you!
Chad : God Damn't Steve will you quit Jacking Off your scaring off all the pretty girls!
Steve : Ok im sorry Chad me bad! Ahhhh! Ahhhh! Ahhhhh!
Chad : I SAID STOP IT NOW!
Steve : SPLAT! OOPS!
Chad : YOU FUCKING IDIOT YOU SPRAYED CUM ALL OVER ME!
Ben : LOL!
Chad : FUCK YOU BEN!
Steve : I can't help myself I just love Jacking Off! (wink)
by SlopNChop April 18, 2019
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