STMS

Classic internet jargin which is usually more appropriate than lol, for if you were to laugh out loud at everyhing slightly amusing on the internet you would not only be a fool but you would hurt your jaw. Anyway, STMS simple means Smile to Myself

Random1: slighty amusing sentence
RamdomIdiot: LOL!!
RandomSanePerson: STMS

by MrDanger January 12, 2005

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stm

stm stands for 'smile to myself'.
this is opposed to lol, 'laugh out loud'.
'cause who actually laughs out loud when they type it?

right, no one.
stm = the new lol.

kaye: 'did you watch the powerpuff girls last night?'
riyad: 'yeah, it was funny as. stm.'
kaye: 'stm.'

by Kayeeeee January 19, 2009

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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!

by Pseudo Mexican December 20, 2003

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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

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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

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