Top Definition
When your foreskin gets puffed up and swollen after entering something very tight, like an anus. Usually referred at gays.
"Hey that fag has an acorn cock!"
by Acorn Cockmaster April 20, 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.

×