STM is slang for smiling to myself and is very similar to abbreviations like LOL (laugh out loud) and FTW (For The Win)It is one of the fastest growingly used words and next year will be added in the English dictionary.
Oh, and it is often mistaken for STI or STD (sexually transmitted infection/disease)
Oh, and it is often mistaken for STI or STD (sexually transmitted infection/disease)
by berackk July 26, 2011
by Calvin August 17, 2004
STM is an acronym for "Stop The Madness". It is often used to express suprise, excitement, frustration or disbelief of some sort.
by J-Khan December 13, 2011
1. "SHUT THE MOUTH"
2. A kind, quick response to a text from a girlfriend.
3. When you really mean STFUB.
2. A kind, quick response to a text from a girlfriend.
3. When you really mean STFUB.
by Cpl Caveman November 07, 2009
1. "SHUT THE MOUTH"
2. A kind, quick response to a text from a girlfriend.
3. When you really mean STFUB.
2. A kind, quick response to a text from a girlfriend.
3. When you really mean STFUB.
by Cpl Caveman November 07, 2009
1) One who likes to perform the action of sticking one's finger up the anal cavity of another human being, usually being male,and/or ugly, as STM also denotes being a queer.
2) Can be used in conjunction with yayaya.
2) Can be used in conjunction with yayaya.
by Pseudo Mexican December 20, 2003
by JL Sikkent March 08, 2009