1 definition by Joeblack1999

Top Definition
(Truncation of monkey arms)
When a man sports a thick pair of arms disproportionate to the rest of his body. Usually seen in bouncers that abuse steroids.
"Hey Amy, check out that guy's marms! He looks like a fucking idiot."
by Joeblack1999 February 06, 2010

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×