Top Definition
s'n'n, sumthn, somethin, something
i wanna do sth fun today, im sick of this boring shit here
by smackster November 02, 2003
Some Thing Hot
girl: What do you think about my pics?
guy: I noticed sth
girl: =) (*blushes)
by LK568354 September 05, 2015
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."
by hairyballsack April 22, 2011
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
A clan from Guam, StH stands for "Support the Habit."
They play various games including the map variant DotA of WC3, Call of Duty 4, and Gears of War, then occasionally Halo 3.

Members of this clan add the clan's name to the beginning of their gamertag.
"Holy hell, StH.Axial just screwed me over. And again on DotA, then on COD4, once more on Gears. Did I mention Halo 3?"
by StH.Axial March 01, 2008
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