STH

Sexually Transmitted Hair. When you're sexually active and a hair from your partner rudely infiltrates your mouth like an in-law.

"Hold on a sec... STH."
"Okay."
"...FUCCAWWWAAH!!

by hairyballsack May 13, 2011

STH

STH, smashed the homies is a term used to describe a girl who had sex with some of your friends.

that girl STH before we hooked up.

by jcdaddy February 17, 2010

STH

Season Ticket Holder

STH are pissed.

by ragnar17 December 2, 2021

sth

s'n'n, sumthn, somethin, something

i wanna do sth fun today, im sick of this boring shit here

by smackster November 2, 2003

sth

short term for something

would you like sth?
yes i do like sth to eat

by EW+- July 11, 2017

sth

Some Thing Hot

girl: What do you think about my pics?
guy: I noticed sth
girl: =) (*blushes)

by LK568354 September 5, 2015

Sth

Sth. Sorry to hear

Oh fuck, ya Dad died. Sth
Ps. Get fucked you cunts. I thought of it first!

by Freyfear September 24, 2016