Top Definition
it is when ever you engage in sexual intercourse on top of an all terrain vehicle
we went muding on the 3 wheelers and we did a dirty dillon.
by alex p. aka tonys dad September 27, 2006
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.

×