Top Definition
When a mans penis is so small, He pees on his zipper causing it to rust.
Kyle's penis is so small he gets a rusty zipper every week.
by bigCincincy November 15, 2015
A man who suffers from premature ejaculation.
Nice guy but the sex was crap, he was a rusty zipper.
by Sarah Monaghan August 31, 2006
When a man's butt hairs dread together from not showering.
"I've been on this greyhound bus for four days, haven't changed my underwear, eating nothing but Mexican food. I have a wretched rusty zipper "
by Nastycar August 19, 2015

Free Daily Email

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

Emails are sent from We'll never spam you.