A penis that gets rusty due to a sudden decrease of sword fighting.
Because I stopped sword fighting, I got a rusty penis.
by manuel diego November 18, 2007
1 more definition
When a man inserts his penis into a womans anus. (Because when you pull it out, it is brown like rust.)
You wouldn't want to suck my dick now, because i have a rusty-penis.
by Fack Meecough December 01, 2003