moment arm

Possibly originating as a portmanteau of the terms moment of inertia and arm, moment arm has quickly become a much more awesome way of saying leverage.

I can't get this damn bolt to turn. We need more moment arm.

by shdy January 3, 2008

Arm Poppin

It is the act of making love to someone's armpit.

Dave: Guess what happen last night.
Jim : what?
Dave : I ask Jill if I could put it in your butt, she decline but instead I fucked her in the armpit.
Jim : you went arm poppin last night.

* high five*

by Bored Sailor 4334 July 7, 2010

arm porn

A butch dyke in short-sleeves showing off very well-developed arms with well-defined muscles (but not steroid-type muscle).

Jenny: Your girlfriend has a really nice body. Her arms look really hot in short sleeves.
Carla: Oh yeah, I can barely stop myself from drooling. It's total arm porn.
----
Sam (Samantha): Babe, now that I've started bulking up, I'm thinking of getting a tattoo on my arm. What do you think?
Laura: Oh baby, that would totally give you arm porn.

by dosaguasdyke April 25, 2010

arms race

the competition between nations to develop weapons of warfare. it is now being taken once again into outer space; some countries ,do not recognize the idea of mutually assured destruction

america and china are engaged in an arms race

by eric October 22, 2003

Left Arm

Antonym of Right Arm. Means discord, discontent, and disagreement.

I swing at you with my Left Arm, and we'll go through a fight or two! No harm, no harm!

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by Bad C dev July 25, 2021

Dat Arm

The sexy left arm belonging to a sexy bad ass mother fucker. It is distinguished by the tattoo of a phoenix on the forearm.

"Dude, look at that guy's arm."
"Holy shit..."
"Dat arm, bro."

by datarm September 16, 2012

Jab Arm

The long lasting pain/ache in the arm which takes the brunt of any inoculations. Usually takes a couple of days to recover, and until then rarely makes it above a 45 degree angle to the torso.

"Bitch touched my Jab Arm..."

by ABC123<>^ November 8, 2009