Jumping Jackoff

The act of masturbation during jumping jacks, usually performed by alternating hands each jump.

Guy 1: Why didn't you go to the gym yesterday? You're going to get fat.
Guy 2: No I'm not, I stayed at home and did jumping jackoffs. I was so tired afterward.

by Iforgot911 January 10, 2009

Jackoff Machine

A large machine in which one lays under the main body of it and a metal cylinder is placed around the pecker.And when its turned on the cylinder moves up and down and jacks you off and can be make to go extremely fast.
Guys are sometimes forced to get in it as a punishment.

He's in the Jackoff machine.

by Judge dredd7 November 8, 2011

jackobate

contraction of jack off and masturbate

My roommate's gone, so time to jackobate!"

by Mr Mont July 8, 2009

jachel

a snitch

a big jachel told on me

by tlduiyf. February 13, 2018

jackoff-a-saurus rex

A male who is an addict to jacking off all the time

OH EM GEE my name is louie naioleari and i am a jackoff-a-saurus rex

by louie naioleari November 26, 2007

Jackology

The study of masturbation.

I have my PHD in Jackology.

by Chamby86 May 8, 2008

Jackhole

1) A person who can neither be adequately described as a jackass or an asshole, but as a combination of the two.

2) Any orafice in which ejaculation is "jacked" off.

1) That guy who just cut me off at the yellow light is a real jackhole.

2) When Carla finished my BJ I let it fly in her jackhole.

by Jack-hole-lantern October 6, 2006