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Arm Crease

The inside of the elbow where the arm bends. It is very vile and disgusting and should not be touched. Ever.
Woah, you just touched my arm crease you sick fuck!
by RandomPersonYouDon'tKnow August 7, 2011
mugGet the Arm Creasemug.

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
mugGet the moment armmug.

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
mugGet the arm pornmug.

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
mugGet the arms racemug.

flappy arm

An autistic person who is so retarded they flap their arms when being overstimulated.
"Why is that retard doing that weird shit with his arms?"
"It's cuz he's retarded as fuck so he's a flappy arm."
"Hey! fucking flappy arm what the fuck are you doing?!"
"I told you to stop cawing fwappy aum bwo!"
by flappyarm.sponsor April 25, 2023
mugGet the flappy armmug.

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
mugGet the Jab Armmug.

Red Arm

Look at that kid with the red arm. He's so awesome!
mugGet the Red Armmug.

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