When one preforms sex first thing in the morning and finds that one's partner has begun menses.
Our pregnancy scare ended this morning when Jill gave me a Rusty Rooster.
by Sam Johnson bound June 29, 2014
When you pull out of your special friend's ass and your cock is covered with santorum, but you're in a hurry, so you park it in another hole without going for the washcloth.
"Sometimes, in the heat of the moment, it's forgiveable to (give a rusty rooster)." -- Becky, "Clerks II"
by The_Hat February 16, 2008