Top Definition
A sexual act by nature (fetish) the muddy duck is when one person anally penetrates another person while flapping their arms and quacking like a duck.
Steve had so much fun packing Kathy's fudge, he quacked like a muddy duck.
by Kip Marshall August 15, 2006
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.