Back-Slap 

When your diaper gets full (Ideally to the brim), do a half backflip, and land on your ass to see how far you can slap the contents of the diaper out

I bet you can’t back-slap further than me bro. I hold the world record

Back-Slap by Officialnwrd November 24, 2024

Back slap and crack 

A sexual position where the male gets onto the back of a naked female. The male will then slap the back of the female while sticking the hand into the anus, sometimes screaming "HORSE".

The Back Slap and Crack is a banned method of messaging.

Back slap and crack by ISDBdefinitions June 10, 2020

Kraken back slap 

n. Usually when gamers are very intense and quiet in gaming, and then someone walks in the room and really wants to join in on the good fight and gets a "Kraken back slap"

Enters room with Kraken kids (C,D)
A- hey guys

(no answer from gamers)
A- Hey yaa
(no answer, stands there for ever)

B- watches on as A gets sobbed big time by kids in game mode
(Then)

C- (ignoring A) raped it! sweet move
D- yaz

B- LOL -A- you have had "Kraken back slapped"

Kraken back slap kraken gamer online emo ignore sweet sobbed

Kraken back slap by Cupcake GI Jane September 30, 2011

Slap-back Booty

The type of ass that when you slap it, the jiggles make it feel like the ass slaps your hand back

Yo, Sydney got an ass though.
Yeah, I heard she got that Slap-back Booty.
Hell yeah, my hands still stingin from it bro.

Slap-back Booty by Trojanman Murphy October 2, 2013

what the frick-frack snick-snack paddy-wack diddly-dack crack-pot slap biofeed back-pack slap thumbtack sidetack tic-tac 

it basically means "what the fuck" but funnier since if you get cut mid-sentence, you have to start over, making it 2x funnier than it was before, because that's how broken my humor is.

person no 1: "hey...hey, what the frick-frack snick-snack paddy-wack diddly-dack crack-pot slap biofeed back-pack slap thumbtack sidetack tic-tac do you think you're doing, sir?"
person no 2: "mind your own damn business."

what the frick-frack snick-snack paddy-wack diddly-dack crack-pot slap biofeed back-pack slap thumbtack sidetack tic-tac by bigdaddy123yesplease September 29, 2021

slap back 

the rating of which the ability to smack a big ass with one hand on one cheek and feel and catch the vibration on the other cheek with the your other hand. Ultimately the best asses should be able to send the vibration back to the hand that originated the slap. These happen to be the best booties for slap back.

Damn son! You know that Ashleigh got that slap back for real.

slap back by Douggie Fresh March 18, 2008

Slap back month 

As well as being slap ass month, the month of october is also slap back month. A free pass to slap anyones back

hey dude did you know its slap back month?

Slap back month by Hungrygeneral September 30, 2020