jackhammer

1. A sexual manuver of constant re-penetration; basically taking the dick in an out of the vagina (or anus) repeatedly, in a 'jackhammer'-like motion / or jacking off on a chick's face from a really short distance away

2. a prototype 'automatic' shotgun (worked with a feeding mechanism much like a revolver), was designed by John Andersen, it fires 12 gauge rounds, in a 10 shot 'magazine', has a ROF of approximately 4 shots per second. These are not really in any form of production
" Dude, I jackhammered pretty good her last night, she can barely walk now"
by LarryVR March 23, 2006
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jackhammer

Jacking off into your hand and then slapping your buddy with your cum and then slapping them with flour.
"We couldn't pass up the opportunity to jackhammer Greg after he got turnt as fuck at the party last night."
by Alayna Darko December 26, 2014
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jackhammer

A particular method of thrusting used only by advanced sex fiends or clueless morons. Commonly utilized when yo bitch is in teh Deep Thrust position.

The Penis is inserted into the vagine, and the body is moved forward until the penis enter the vagina at a 90 degree angle. A lot of the pleasure in this posisition is derived, I believe, from the fact that the vagina isn't in a perfectly upwards (90 degree angle) which leads to some awesome griding acckkkshunn :DDDDDD~~~~
by TittayMastar May 26, 2003
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jackhammer

A sex position where you get the chic doggy style and begind to do her from the back. Then when she least expects it, pull her arms out from under her so that her face and shoulder fall to the bed with her ass in the air while you proceed to pound away.
I gave this chic the jackhammer, I'm surprised her teeth ddn't puncture the mattress.
by Ryan March 07, 2005
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jackhammer

WWE goldberg's finishing maneuver. Opponent is held in a suplex position but is reversed into a brainbuster. By far best finishing move ever
by tony December 29, 2003
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jackhammer

A term apparently used to describe a man of great wealth. This man is a beacon of sexual desire, especially from "gold diggers."
(This definition was derived from context clues of Snoop Doggs "Lay Low.")
"They call me Jackhammer for all the bread I got, but they call my Bill Clinton for all the head I got." -Master P.
by Mr. Togg April 13, 2006
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jackhammer

what you do is a cricket on 1 hand so the other hand behind your back or something and then bounce in a circle.
a jackhammer look impossible
by blazed December 09, 2004
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