the jackhammer

This is the sexual act of a male using quick, hard pumps to penetrate and conquer any orafice.

My girlfriend's mom told me that her butt felt like broken concrete after I gave her the jackhammer.

by Nathan Warnock July 21, 2006

australian jackhammer

When a dude Lights his penis on fire, and then proceeds to have anal sex with a girl

I used the Australian Jackhammer on that girl last night

by Mystic Llama August 16, 2014

Irish Jackhammer

When a man (or woman) inserts their fist into a woman's vagina or anus (also could be a male's anus) and proceeds to violently shake them, while still inside, potentially causing extreme vaginal or anal trauma and/or Downs' Syndrome.

Samantha: Did you hear about Jeni? I heard Alex gave her a gnarly Irish Jackhammer!

Ryan: No shit! What a fucking whore!

by Eric Burns Red June 4, 2010

Ukrainian Jackhammer

When a guy fucks a girl in her vagina while standing up and holding her ankles and lifting her up and down like a jackhammer. Whilst moving up and down the girl gives a guy ,who is laying down, a blowjob.

John gave Susie a Ukrainian jackhammer whilst she blew Andrew.

by saldkkjsldlkjfsdllfsadlfkjsdfl January 6, 2010

Tahitian Jackhammer

it involves a toilet, a pineapple, a heavy bat, and the anus. first, the person is knocked unconscious with a heavy bat. then, the pineapple is inserted into the persons anus and is given a swirly in a toilet with poop in it.

oh my god, i gave my friend a Tahitian Jackhammer yesterday night and his hair smells like shit!

by go go dancer 4 u 92 March 6, 2009

Chocolate Jackhammer

when giving anal sex, pull out quickly so your partner shits on your dick, then take your shit covered dick and face-fuck her

dude, i gave my girl the chocolate jackhammer last night!

by ETompk October 25, 2010

Pancor Jackhammer

A shitty clockwork bullpup shot gun that only had 1 terrible prototype made. Still, many video games are upsessed with it and put it in their game.

The Pancor Jackhammer makes no sense in an FPS since to reload it you literally have to remove the stock.

by HAHA Joe February 4, 2021