arm hair

Hair in a person's arms, usually a man's.

He has arm hair

arms before hop

Bros before hos; spelled in the T9word function of a text message--for convenience purposes. Used generally when speaking of violations of said rule.

--Dude, Im goin cakin on my girl now.
--Man, what the fuck, we were gonna play NHL 09...cmon now, arms before hop.

ARM DOCKA

some stupid shit I said about arm socks

I'LL FUCK YOU IF YOU FUCK MY ARM DOCKA

Short Arm Shifty

The act of masturbation.

Sorry I'm late, stopped for a quick short arm shifty in the car.

armed

what are you doing getting the "armed mug" you bastard

person 1: *goes to the Urban Dictionary and searches up armed just to see "Buy the armed mug"

foot arm

A leg dumbass

A-“What happened to you foot arm”
B-“A what “
A-“ a leg you fucking dumbass”

arm man

A person who masturbates so frequently that one of their arms is more muscular than the other. (Can be either genders)

"Ever since Corey hit puberty one of his arms is super muscular, I think he's becoming an arm man."