BTMCs 

BTMCs are beard-to-mustache connectors. BTMCs are the patches of hair on a man's face that connect the beard to the mustache, and are often quite difficult to grow.

That dude's beard isn't full yet; he's got a chin strap and a mustache but he looks pretty weird without the BTMCs!

BTMCs by beardokern May 21, 2011

BTMC 

A Twitch streamer who used to go by the name "BeasttrollMC". He is most well known for his osu! gameplay and things that he's done while playing osu! like peaking at 195BPM heartrate after he FC'd raise my sword.

BTMC? Isn't he the guy who FC'd honesty?

BTMC by Rekunan April 18, 2021

BTMC 

It means "Bruh this man Chinese"

"Yo, the representative for America finally won the top prize for math olympiad!"
"Have you seen who he is?"
"BTMC!"

BTMC by BTMCOfficial May 28, 2021

BTMC 

Otherwise known as BeasttrollMC. A popular Genshin Impact streamer on Twitch. He occasionally plays osu! and Tetr.io too as side games.

- Have you seen BTMC pulling for Yoimiya? He got so lucky!
- No, I haven't. I will definitely check out the VOD.

BTMC by chantiicod4 August 11, 2021

BTMs 

BTMs - Bitcoin Teller Machines...Or BTMs. BTMs is short for "Bitcoin Teller Machines" like ATM is short for "Automated Teller Machines".

It is most commonly referred to as a "Bitcoin ATM".

The number of Bitcoin ATMs (BTMs) is growing everyday. In order to operate a lucrative BTM business, many costs and risks need to be considered.

BTM machines are the next generation of money transaction.

BTMs by sizzlenomics December 4, 2017

BTMS 

Big Tit Mall Sluts. These are big tit sluts at the mall (of age) ok well not all the time. These sluts are ready to go anywhere in the bathroom changing room or in the middle the store. Slllllluts.

Nick: Hey Kenny, look at those BTMS's over there.
Kenny: What are BTMS's?
Nick: They are girls with nice tits that you want to fuck but you are afraid because they might have the clap.
Kenny:oooooo did you hear that rex fucks animals.

BTMS by Rex the donkey ass fucker December 23, 2009

BTMBs 

"Big Time Movie Boys"
First coined by the original BTMBs themselves, the Light's Camera Barstool podcast hosts Jeff D. Lowe, Kenjac, and Trill Ballins refer to BTMBs as someone who subscribes, rates, and reviews their podcast. This term can also refer to anyone who shares their same sentiment and ideals when talking about movies.

"The BTMBs of Barstool have cost this company hundreds of thousands of dollars" - El Pres

BTMBs by nicknuemann August 7, 2019