A futile attempt to block a torrential flow of anything- such as the BP oil gusher. It just keeps flowing out no matter what you do.
Guy at party #1 "Man that guy just will not shut up about all his supposed sexual exploits, big investment dividends, rich friends, blah blah blah... I bought him a beer and tried to change the subject but he just keeps going."
Guy #2 "You bought him a beer? Nice gusher cap, dude!"
Guy #2 "You bought him a beer? Nice gusher cap, dude!"
by kcufdaeh July 3, 2010
 Get the gusher capmug.
Get the gusher capmug. by Cuntswitch July 29, 2020
 Get the Italian Gushermug.
Get the Italian Gushermug. by Itscasinoking November 14, 2019
 Get the Cum gushermug.
Get the Cum gushermug. A extremely dry/crusty armpit, that eventually starts to shoot puss and squeeze 18 different colors of juice out. people usually refer to this uncommon growth as a "michonda". Causes are yet to be found
by BigDon.Guy December 9, 2014
 Get the Sloppy Gushermug.
Get the Sloppy Gushermug. The act of placing one or a few gushers between of someone's booty cheeks, and eating them from the booty.
Kaga: Hey Kei, may I perform Gusher cheeks?
Kei: No, I don't like the feeling of gusher juice in my cheeks. Maybe tomorrow
Kaga: Okay, I'll save these gushers for later, I know you like the blue ones. :)
Kei: No, I don't like the feeling of gusher juice in my cheeks. Maybe tomorrow
Kaga: Okay, I'll save these gushers for later, I know you like the blue ones. :)
by Kagamaru August 5, 2022
 Get the Gusher cheeksmug.
Get the Gusher cheeksmug. A yellow gusher is when a girl is giving a guy a blow job and the male urinates into the females mouth.
by seth69 August 19, 2011
 Get the Yellow Gushermug.
Get the Yellow Gushermug. you cum in a girls belly button, then you punch her in the clitoris, because of the pain she bends over and the cum oozes out like a gusher
by salty gusher June 15, 2010
 Get the salty gushermug.
Get the salty gushermug.