atm 

A scientific measure of pressure equivalent to about 14.6959488 pounds per square inch. Abbreviation for "atmosphere." Its is a measurement of how much pressure the atmosphere exerts on an object at sea level (where the pressure would be 1 atm).

There is 2.5818 atm of pressure on that balloon, causing it to shrink from its original size when the pressure was 2 atm.

atm by DragonFyre September 15, 2005

atm 

at the moment

...im busy atm...

atm by PhoneuS June 25, 2004

ATM 

"Accessible Titty Money" - n. when a woman reaches into her bra to retrieve stashed $20's.

I was at the bar and this chick paid for drinks straight from her ATM.

ATM by HotChikpunk81 October 1, 2010

ATM 

Automated Teller Machine. A device used to get money out of your saving account.

"I'm going to stop at the ATM."

ATM by star8706 February 2, 2003

atm 

ass to mouth

fuck her in the ass and she sucks your cock clean, also go back and forth from ass to mouth.

atm by theboss December 23, 2003

ATM 

asynchronous transfer protocol. A form of data transfer using packets without synchronous measurement.

The bank's ATM's were running on ATM.

ATM by mrfisher April 29, 2009

ATM 

1) Ass To Mouth: Porn or Hardcore Sex, Man Pulls penis out depths of a womans ass and immediately puts in the womans mouth. A degrading act.
2) Doing the same thing to investors.
3) Asycronous Transfer Mode - A high speed optical communication protocol based on 53 byte packets, screwed up by the Europeans.
4) Automated Teller Machine dispensing yuppie food coupons

examples
3) Worldcom is a leader in ATM deployment.
2) Worldcom shareholders got the ATM treatment.

ATM by DrWho August 21, 2004