1 definition by elduderino1

Top Definition
1) When you go to the gym and get a boner.
Dude, I was workin' my pecs when this hot chick walked by. I fired off a gym rocket.

Dave popped a gym rocket while spotting me.
by elduderino1 November 30, 2009

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.