Top Definition
1)A nasty un-wiped dirty bottom.

2)What happens to the trunk of the male penis as a result of intense anal sex and or during the menstrual cycle.
Yo, that bitch has a rusty trunk. I banged this girl last night at that party. She didn't tell me she had her period, now i got a rusty trunk.
#rusty trombone #mud butt #rusty cock fight #dirty sanchez #hot pocket #rusted trunk #rust trunk #poop dick #rusti trunk
by DrunkProof August 25, 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.

×