A sex act wherein a male intermittently thrusts quickly and loudly for 5-30 second intervals, alternating with minutes of complete stillness and silence. Said male begins while his partner is still asleep and continues for several hours.
Some f*#%face woke me up with the Ballard Jackhammer again this morning. It goes on all day and leaves me unsatisfied and agitated.
by CountryTerry August 20, 2016

Jackhammer is a type of sex position where the girl does a hand stand and opens her leg wide and the boy has to get on top of a bed and grab the girls leg and stick your dick in her vigian or ass either way and start going up and down
by NotACK May 26, 2018

When a man it is getting a massage and tucks his dick down between his legs. His partner while massaging his butthole begins to jerk him off, right as he is about cum his partner starts jerking his dick so hard that it hammers your nuts and blows your load on the wall where there is a target.
by Messynutz May 17, 2025

A sexual act involving 4 people. A man gets his legs held above him by two (2) people and held apart, in a "V" shape. A fourth person is then helped in between the man's legs and his balls are then used as a trampoline until he cums.
Mike: Yo, Steven. I heard that Stacey gave you the Jamaican Jackhammer last weekend
Steven: Yes mate, I've been in intensive care cos Kate and her sister held my legs open and Stacey weighs 250kg
Steven: Yes mate, I've been in intensive care cos Kate and her sister held my legs open and Stacey weighs 250kg
by Steven Skibidoviç September 21, 2024

Shari had COVID and was complaining about her sore throat so Darko got out his salami stick and gave her a Serbian jackhammer 🤣
by The real Don drizzle May 24, 2022

The sexual act of defecating on a subjects chest, followed by rapidly inserting a penis into the feces pile.
by Sexual seductor February 12, 2013

Josh: I did the funky jackhammer with Sarah last night! Listened to Electric Boogaloo and smashed that pussy
by ExtraSauceBoss October 28, 2020
