Backlash

when you are about to nut and a girl is riding you, then all of a sudden she gets up and your penis flings back at you at the exact moment you blow your load, resulting in a backlash of nut on you.

Damn man last night i was bangin your mom and then right when i blew my load she got up and i got backlashed

by Kelmet February 12, 2006

Backslashing

To troll someone or annoy them.

You can Backslash someone in public or privately
Ex: Im gonna backslash you
Ex 2: Stop backslashing

by Tentonix June 3, 2023

Backsplash

That moment when you take a gigantic shit, causing the toilet water to splash on your ass. Could Potentially gives you awkward boners when you drop another load down the toilet.

That backsplash felt nasty as fuck.

by Electric January 31, 2017

Backsplash

When you're taking a piss at 3am on a school night and it deflects off the seat, only to hit you directly in the knees/shins.

I explained that the cause of my moist jeans was "Backsplash"

by GravyMello March 7, 2019

backwash vodka

Old vodka that has been passed around at parties, some time it’s just in plastic water bottles

Dude1: hey did you get vodka from that party?
Dude2: yeah but I got stuck with the backwash vodka bottle

by vApeBro November 14, 2018

backslammer

A margarita which has more alcohol than traditionally used for a single serving.

I thought I didn’t have much to drink, but Andy’s backslammers had me lit.

by PeachtreeCity September 5, 2020

backwash chimney

When two people get close enough in a scissor like position to connect urethra to urethra forming one single unit. Some have even been known to swap the contents of their bladders.

Steve: "Tom what are those lesbians doing overthrew?:

Tom: "thats a yoga pose called the backwash chimney, we should try it sometime."

by Bryan Leroy September 29, 2021