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 February 29, 2016
Go get a hand full of non-solidified concrete and begin to jack off with it as a lubricant. You must cum before the concrete solidifies.
by Ravi banker February 09, 2019
A position used in intercourse where the man will hill hold his partner upside down by the legs with his partners head on the bed. The man will then stick his penis into the girls vagina and make sex
by Tony fettuccine Linguini September 07, 2020
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 April 13, 2018
by J.batch August 10, 2018
When a man spreads the woman's vagina flaps and attempts to stick his head into it. This normally ends up with a trip to the ER as it is not safe for both genders. This can be done with the same sex (see Finnish jackhammer).
by The isis November 13, 2014
by Jackdimmadomeee July 28, 2018