The sludge left behind by a girl after a night of sexual activity. The girl is often not the brightest or prettiest and is usually (but not always) riddled with AIDS or several other various STDs.
1. I've just seen your bedroom, that girl you brought back last night slatched everywhere!
2. "What smells?" "I've got that girls slatch all over my fingers, it stinks"
2. "What smells?" "I've got that girls slatch all over my fingers, it stinks"
by Taggy123 August 6, 2011

She was so wasted on red bull and vodkas she tried to slap her ex in the face and he caught her nail instead, it was a wicked slatch.
by who did that January 2, 2008

V. as in " to slatch". Slatching occurs when it gets to the messy end of a night and options for sex become limited. That's when you decide to slatch someone. An amalgam of the words "latch" and "slut" it refers to the process of picking out the sluttiest looking girl in the bar/nightclub/parking lot and attaching yourself to her, ie you "latch onto a slut"
by Riverboat Crew September 21, 2012

“Babe! I’m so horny!”
“Oh.. Wanna do something?”
“Mhm, a BJ, but I want to try something new!”
“Like..?”
“I want to slatch you!”
“Oh.. Wanna do something?”
“Mhm, a BJ, but I want to try something new!”
“Like..?”
“I want to slatch you!”
by Shinobu Glazer February 19, 2025

In the English language, the word slatch is an ethnic slur used against Caucasian people, commonly used as a "whats-up" term used among caucasions.
"You're a f*cking slatch!"
by Official English Dictionary 8 December 4, 2022

by EthiliumD July 24, 2023
