Knockin boots

Boots u leave outside the window u ur having sex and u might have to run out the window

Man, her dad cam in and I ran out the window and put my knockin boots on real quick

by @J_mol6129 March 31, 2019

knockin beans

Knockin beans, also commonly called beanslap, refers to any number of people in a room alone at night, KNOCKIN DEM BEANS

Kyle: So, last night me and my girl were knockin beans, if yk what I mean.
Karen: Damnit Kyle, I told you to stop sleeping with your sister!

by BeanKNOCKER September 15, 2020

when two guys are havin sex with the same girl at the same time vaginal and anal and they can feel each other inside her thru the thin membrane

Dude I felt you swell up before cumming in that girl's ass we were cock knockin last night.

by PizzaManDude September 6, 2013

by anonymous September 14, 2020