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"

by WordNerd2 November 08, 2012

STM

Acronym for "spanking the monkey".

I gotta go on cam to STM before the wife gets back.

by livva_nyc February 27, 2009

STM

One who pretends to be good at a particular sport, but in reality cannot play it whatsoever. Can be used in a sentence with yayaya with severe sarcasm.
Also can be used as an insult term in basketball to an opposing player on the court who cannot play according to regulation(s).

"Yayaya! Way to shoot that airball, you're not STM."

or

"I enjoy the way you got blocked at today's game. Continue with your STM-ness and you'll be an all-star soon!"

by Thomas December 03, 2003

STM Unity

A major simp who play Minecraft and can’t get the girl that he wants.

Bro your such a STM Unity.

by Unity March 11, 2021

STM (sexually transmitted mite)

Slang for scabies. They're small mites that burrow into the skin and lay eggs. They cause intense itching and are passed through skin to skin contact or exposure to them in bedding or clothing. While not always passed via sexual intercourse they frequently are in teenagers and young adults.

Bobby: Whoa man check out Dylan he's scratching like his whole body is on fire!

Jay: Yeah man he's got that STM...

Bobby: What the fuck is an STM?!

Jay: It's scabies. They're a STM (sexually transmitted mite). He supposedly got it from that broad he was humpin'.

Bobby: Wait. Isn't that what you just had?

Jay: I don't want to talk about it.

by Biggest Rockstar sans Band January 27, 2009

STM

acronym: Slave Trade Market

means: or market where you trade slaves back in 1800's

trading and illegally transporting black people (who were slaves back then)

look at this nigga, he escaped from a STM

by Race_kar August 21, 2023

STM

STM: Shut their mouths.

It’s none of their business to talk about my life; ask them to STM

by crazy cuckoos October 27, 2020