When you use the computer for too long with a mouse somewhat far away, your muscles in that arm and shoulder get tense and stiff, leading to soreness and tightness.
by robotzor June 28, 2011

When one arm is a lot darker in shade than the other because of the effects of sun. Caused by one arm constantly hanging out of the car window.
#1 "Hey you look weird. Why is one arm so dark and one white?"
#2 "I suffer from reps arm because I drive a lot"
#1 "Then you need to lie on that side all the time on your holiday mate!"
#2 "I suffer from reps arm because I drive a lot"
#1 "Then you need to lie on that side all the time on your holiday mate!"
by migrosmarket July 13, 2013

by adjfhjJKDFSJDHFJKHSDKFKDSFHJKS March 01, 2022

Arms with excessive cellulose or fat hanging from underneath the bicep. The fat is flabby and flaps like an uncooked tortilla. Expression possibly originating from from South Texas (e.g., McAllen, TX) with respect to large women grinding out tortillas in restaurants.
Dude, Sandra's got some awful tortilla arms. Maybe she could use them as a parachute like a flying squirrel.
Tom, as your wingman, I cannot allow you to go home with a woman with tortilla arms and a beer gut.
Tom, as your wingman, I cannot allow you to go home with a woman with tortilla arms and a beer gut.
by BoredLawStudent1776 May 22, 2009

The affliction upon the rear of the forearm from repeatedly missing a swing during a game of conkers and hitting your arm. The pain for the next couple of days is known as conker-arm.
Boss: James you have been off work for the past 3 days, why?
James: Conker-arm
Boss: A worthy cause.
James: Conker-arm
Boss: A worthy cause.
by The Wicks September 27, 2006

by Emma Laurence October 04, 2020
