STM 

Stokes Per Minute

See masturbate
See handjob

I can stroke my penis at 350 STM.

My girlfriend gives my a handjob at 650 STM.

STM by Calvin August 16, 2004

STM 

STM is an acronym for "Stop The Madness". It is often used to express suprise, excitement, frustration or disbelief of some sort.

"LeBron James just signed to the Miami Heat, STM" or "Have you heard Lil Wayne's new song? STM"

STM by J-Khan December 15, 2011

STM 

1. "SHUT THE MOUTH"

2. A kind, quick response to a text from a girlfriend.

3. When you really mean STFUB.

AutoText Entry:"STM"

GF txt: "Get a job"
BF txt: "STM"

STM by Cpl Caveman November 6, 2009

STM 

1. "SHUT THE MOUTH"

2. A kind, quick response to a text from a girlfriend.

3. When you really mean STFUB.

AutoText Entry:"STM"

GF txt: "Get a job"
BF txt: "STM"

STM by Cpl Caveman November 6, 2009

stm 

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.

1) So, STM I hear you anally fingered that queer guy!?!? STM....YAYA YOUR NOT GAY!

stm by Pseudo Mexican December 19, 2003

STM 

Short for Stab that Mutherfuker

John says "he's a dickhead ay"
Ned Says "fuk yea STM"
John Says 'Haha yeah"

STM by JL Sikkent March 8, 2009

STM 

"Smile To Myself" - When you're not actually laughing (or feel that LOL would be overkill), but the text joke did get a smile out of you (internal or external).

A: "are you allowed to be nudey in a nudey theater?"
B: "good question! stm"

STM by WordNerd2 November 8, 2012