look up any word, like smh:
 
3.
Smth, an internet contraction for the word something.
I'm going to sleep or smth.

I've got to do smth about my b0x
by Demios March 22, 2004
 
1.
The shorter form of "something"
Hey, dude! i can see smth on the beach!
by axellis June 09, 2006
 
2.
abbreviation for 'something'.
When chatting with someone,this and many other abbreviations -such as btw(by the way),srsly(seriously),ty(thank you),brb(be right back),j/k(just kidding),etc...- may help your conversation preceed faster!
A:'btw,is there smth I can do 4 u?'
B:'Oh,ty!would u lend me 10000$?'
A:'WTF?!?!?!?!??!'
B:'hahaha!j/k!'
by °araik° February 11, 2008