You The act of swinging your penis and hitting one across the face, and leaving a 1 star mark with your tip.
by CAPTAINxSHLAP October 24, 2018

by Technoblade never dies August 02, 2023

by wellshoot February 20, 2020

by ahoyboi February 18, 2019

He shlapped him with the flounder.
by Thelegendarymike March 03, 2007

When a penis thrusts in and out of a asshole. Mostly if the asshole is lubed up or naturally wet, commonly used in yaoi
Jinwo: I’m gonna tell my stream how good you are just by the Shlapping sound you make
Dong: the Shlapping? Do you really mean how my ass sounds when you go inside?
Dong: the Shlapping? Do you really mean how my ass sounds when you go inside?
by Fudanjoshsii August 20, 2022

by Sam707 April 07, 2011
