atm is the symbol for atmosphere. The atmosphere is a non-SI unit for pressure. 1 atm is the average pressure exerted by Earth's atmosphere at sea level.

1 atm is equal to 101325 Pa (Pascals).
1 atm is approximately equal to 1 bar, or 14.7 PSI (Pound-force per square inch)
The optimal operating pressure for mountain bike tires is approximately 2.7 atm.
by PT118 May 30, 2021
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There’s two definitions either
At the moment
Or
A place/machine where you can get that sugar daddy’s money
Person 1: I actually have four cups in my room atm
Person 2: Oh you just reminded me I need to get some money from the atm
by TortTortoise March 28, 2021
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This has several meanings across several languages:

- Automated Teller Machine -> it has yo' money!
- At the moment -> 'nuff said...

- Ass to mouth -> more commonly known as A2M, it's a sexual practice
- Atmosphere -> it's a pressure unit
- Temporomandibular joints (TMJ) it's ATM in portuguese.
- etc, etc, etc...
"Damn, there sure are a lot of meanings for ATM..."
"Hey girl! Wanna do some ATM? Let me just go to the ATM first..."
by jesuimyself December 22, 2017
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Ass to mouth - the proper way to eat a phat booty , preferrable one with lots of cellulite and borderline obese much out like a buffet go atm on that skank bbw ho
I just gave Mackenzie the hottest atm I think my mouth is brown and smells like shit dawg ! Wtf ?! Ewww I ain’t licking booty again !
by IAMLORD March 25, 2019
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Ass to mouth. A sexual act experienced by gay men, where they insert penis in mouth after anal sex
I sure do miss going to the ATM with my old cell. We used to run up the check at that unit. ⭐⭐⭐
by Broke back mountain man October 18, 2017
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