S.A.D. 

American Slang. (n.)
1. A bearded retard.
2. Grown man who cries when teased by his peers.
3. An unloved child.
4. A batting practice pitcher.
5. A guy who still waits tables even after he graduates college.

Who likes S.A.D.? No one.

S.A.D. by Zeus Graham February 4, 2009

S.T.O.P 

Search Team of Ohio Paranormal (S.T.O.P.)
A ghost hunting group of college students. Looking for new members equipment and search areas all the time.

S.T.O.P just proved that Moonville Tunnel is haunted

S.T.O.P by thutch July 5, 2009

S.T.D.T.F. 

A girl that looks like she's down to have sex, but is also probably so easy that she might not be carrying something. Proceed with caution.

See related topic: Jersey Shore

Dude, A: Nobody says that. And B: watch out, she's S.T.D.T.F.

S.T.D.T.F. by AllenHalas December 2, 2010

S.T.D. 

Small talking device

*Cell phone rings* Oh, dude I gotta answer my S.T.D.!

S.T.D. by Cassie... January 19, 2011

S.N.A.P. 

A S.N.A.P. stupid nigga ass person is a person whom of which is likely to be ill-minded, subpar, or just stupid.

Ooh, that girl stupid as hell!" "Mhm, babygirl, she such a S.N.A.P.

S.N.A.P. by Ghettoflybootybitchass333 June 30, 2011

s.l.u.g. 

smith lesbian until graduation

is she gay?
no she's just a s.l.u.g.

s.l.u.g. by actuallygay December 30, 2011

s.m.h.i.n. 

Suck my hair infested nip
(Just used as a joke, not in a rude way)

Tommy: LOL you're so weird...but I love you!
Sarah: LOL s.m.h.i.n.
Tommy: What does that mean?
Sarah: Suck my hair infested nip...lol its just something funny we say
Tommy: Lol I think I'll start saying that!

s.m.h.i.n. by nip3795 December 5, 2012