When a lesbian's dominant arm becomes more muscular due to a monogamous relationship....or just lots of sex
Girl 1: Have you just been lifting weights with your right hand?
Girl 2: No, Maggie and I have been together for a couple months. This is just my Gay Arm.
by SJB88 April 30, 2015
Get a Gay Arm mug for your boyfriend Jerry.
When Rock Climbing / Bouldering ones arm become painfully fatigued with minimal effort applied, more commonly known in the climbing world as “Gay Arm”. This can be a result of not streching correctly before climbing or if your having a bad day.
"i hope i dont get gay arm today while climbing"
"OMG ive got gay arm, why wont you work damn arm"
"dont you get gay arm today, you've got to climb that wall"
"AHHHHH GAY ARM!!!"
by The Evil Jew September 07, 2009
Get a Gay Arm mug for your fish Callisto.
when a person holds their arm at their side so its just kind of bleh. they sort of hold it at a 90 degree angle up near the top of their stomach, and their hand is limp, sort of flailing. you know what i mean? it's like, "omgwtf!"
Josh is doing the gay arm! It looks retarded.
by lolacolabobola December 05, 2005
Get a the gay arm mug for your cousin Callisto.
When a man works out his arms and nothing else, leading to disproportionately large arms with a torso and chest that do not match. Gay men are notorious for this. Any gay bar will have a plethora of these men walking around.
Oh girl, you got big gay arms.

Oh mary has been working out nothing but her arms. She has big gay arms.
by Faye Dunaway December 13, 2009
Get a gay arms mug for your father-in-law José.
A move in foosball created by the great Flipper, a legend in foosball. This move is highly unpredictable, with a low chance of being stuffed. The name was coined by his long time adversary JR after noticing how awesome the move was, with the intention of belittling the physical maneuver. Occasionally, the move is followed by faint "eh".
"Bob got his first Gay-Arm today"
"Did he just use the Gay-Arm?"
"Careful with his Gay-Arm."
"He scored with the Gay-Arm"
by fprie002 July 14, 2008
Get a The Gay-Arm mug for your fish Trump.