Top Definition
A dog who is in the act of digging up your yard; A dog who is covered with mud and was obviously digging craters in your yard; the act of digging up someone's yard; digging up someone's yard with a 4 x 4 truck; doing cookies in someone's yard thus digging it up; creating any muddy mess in someone's yard in any way possible.
"Look at that, the dog is mudmoosing up the yard again." "Holy sh** stop that dog from mudmoosing up the yard!" "the kids have been mudmoosing up the yard with their dirt bikes." "I caught my x-boyfriend mudmoosing up my yard with his 4 x 4." "You stupid dog, stop mudmoosing up the yard!"
by Lars the Conqueror March 31, 2010
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.

×