Pounding a hoe in the vag or even the spinky, when feeling daring enough. The male thrusts at a speed that is resembling of a jack hammer. This may cause small fissures and sometimes even full cracks in the applicable genitalia/shit-partition.
Tyrant: Dude I went trout fishing last night, caught a few. Hbu?

Big Easy: Dawg I went jack-hammering with my wife. Pounded her spinky so hard I created a crack in her ass.... now she has two asscracks.
by Stoney69 July 5, 2019
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When having anal sex with a constipated woman, the man uses his erect penis to chip away the compacted fecal matter until full penetration is achieved, using a motion like that of a jackhammer.
Man, I gotta find a new girl. Everytime I go to fuck her in the ass, I spend half the night jack hammering!
by Mity J October 23, 2006
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A sex act that involves clapping your hands together and making a pointer with your index and middle finger. You then slide the "jack Hammer" into your girlfriend and you shake your arms like a jackhammer.
Last night I received the jack hammer and I couldn't walk this morning.
by Joe likes yogurt March 25, 2022
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A group of 3 or more dudes banging each other hardcore
ryan,garret and justin had one sick ass jack hammer I heard it from my house. ryan always wins
by Biggie mac May 16, 2006
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When you're in the middle of having some wayward port riding you and you grab her by the shoulder to pull her down allowing you to utilize the mattress providing more force as you proceed to beat that pussy up like a cheap steak.
The other night I had this thot riding my cock when I decided to introduce her to the Austrailian Jack Hammer!!! Turned that moaner into a screamer!
by Dildo Dan April 17, 2015
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When a girl is on one side of a room with her legs spread and a guy on the other side of the room, takes aim, and runs.
by big nasty sucka January 17, 2009
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