The M3 Submachine gun. A cheap .45 caliber gun designed in WWII to replace the Thompson submachine gun. Since then, it has been used by the US all the way up to Desert Storm.
When the squad was surrounded, sargent mowed down the krauts with his grease gun.
by Jacob Stevens January 10, 2008
Get the Grease gun mug.
An act performed during sexual intercourse where a person will place their penis on the edge of the anus and cum, forcing the cum into the anal cavity without penis insertion.
X doesn’t enjoy anal but is okay with Grease Gunning. Y Grease Gunned X’s ass as a release instead.
by Plucked Chook January 25, 2021
Get the Grease Gunning mug.
A sexual act. When someone sucks your dick while you are standing and reaches around and pats air in your ass crack with their hand.
by Johnny31 July 19, 2018
Get the mexican grease gun mug.
The action of putting ones lips over their partners vagina and spitting repeatedly as to fill the vaginal cavity with saliva so that the penile insertion is easy and creamy
Dude last night I tried using Joe's grease gun and she queefed spit all over my face!
by BeastieBoysADROCKMCAMIKED August 29, 2021
Get the Joe's grease gun mug.
At the end of Alabama family reunion, all the males form a circle jerk and ejaculate into a single cup. The cup is then emptied into a grease gun, and the youngest male is then to artificially inseminate the oldest female, therefore initiating him into the family tradition.

The winner of the race is the male who's sperm impregnated the female, therefore concluding the Alabama grease gun race.
"Congratulations cletus on winning the Alabama grease gun race."
by Alabamian Freedom fighter July 29, 2021
Get the Alabama grease gun race mug.
1. Another way of saying masturbating. Used with the few people who live in a small town called Randlett, Oklahoma. Population: 430
"Hey Billy from across the stoop, You pumpin your grease gun over there, save your energy for your cousin Daisy out in the yonder"
by kuntry6969 April 2, 2016
Get the pumpin your grease gun mug.