Boston Backslap 

The Boston Backslap is the sexual act of rooting doggy-style and the male pretends to be edging near to climax, instead shitting into his hand and slapping it on the females back.

Billy: Bro I was fucking that dog of a cunt Deanna, and she was a shit root so I shit in my hand and slapped it on her back.

Joey: So you Boston Backslapped her cunt?

Billy: Yeah, I only found out after she was your mrs though....

Boston Backslap by Cazlab7 June 11, 2019

Mc Chicken Backslapper 

When you bend your girl over, stick a left over chicken nugget in her bumhole whilst guiding it in with your left thumb, with one leg over in the air as you slap her ass cheeks.

Diana : Hey baby what should we do with the left over nuggets....
Mirko: I think you know ;)
Diana : Ok, I will prepare my ass cheeks
Mirko: Ok honey, I'll meet you in the garden for the MC Chicken Backslapper

Mc Chicken Backslapper by MC Chicken Backslapper February 24, 2021

Swahilian Backslap

swah-hee-lee-an bak-slap When receiving oral while standing, right before ejaculating, the person receiving oral defecates on their hand, and proceeds to slap it on the back of the person who is giving the oral.

Lilly: "So like omg, i was giving head to Billy and right before he came he took a shit in his hand and slapped it on my back!"
Leah: "LMAO he so gave you a swahilian backslap!"

Swahilian Backslap by crumble cakes September 24, 2010

backcap 

When someone captures the objective when the enemy team is busy flanking to defend it.
Most likely because your engineer was a fucking idiot and went battle engie instead of watching the point.

spy:haha i backcapped you
soldier:fuck you

backcap by yargh man October 18, 2018

backslap

To strike someone (usually on the face) with the back of the hand.

If you don't shut up, I'm gonna backslap you.

backslap by LudwigVan December 23, 2003

korean backslap 

Like a normal backslap, only harder, and thus more painful.

"By the time this loads I could Korean Backslap her 5 times!"

korean backslap by Andy M August 18, 2003

Brooklyn Backslapper 

When you get permission from a female to ride her back naked, just as a jockey would ride a horse. Whilst the female is running the, gravitational pull causes you dick and balls to lightly brush her back.

Grant: "Hey Leonie, can i have a piggyback ride?"

Leonie: "Sure you can Grant!"

Grant: "Awesome, i'll make sure its an enjoyable Brooklyn Backslapper!"

Brooklyn Backslapper by bigpappabob August 16, 2010