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1.
a code word used to stop a conversation when something needs to be covered up because it is embarrassing,private, or about a person who just walked in on the conversation.
Person 1- Man that Matt Kid is a fa...
Person 2- Muskrat,muskrat.
Matt- Hi guys!
by Terr Ahlander May 11, 2008
 
2.
the patch of hair that sometimes grows at the top of the ass crack. Usually becomes visible when the person bends over.
When Steve bent over at work I could see that his muskrat was very bushy.
by ruggala December 24, 2004
 
3.
The male equivalent of a hood rat. A skanky, sleazy male with no regard for standards who will sleep with anyone. (This is a large percentage of the male, college-age population)
Let's go find some musk rats!
That dude was a total musk rat.
by RatHunta99 November 02, 2010
 
4.
Noun; One who engages in rebellious destruction, most often attributable to substance consumption.
David and I were such Muskrats. After the game, we rioted, inflicting thousands of dollars worth of damage.
by Hobson the Muskrat September 17, 2013
 
5.
The performance of sobriety when drunk, on drugs, etc.
My mom came home after I'd taken 15 tequila shots, but she didn't even know because I have such a good muskrat.
by Muskrat King February 02, 2012
 
6.
Previous one night stand.
Your best friend yells Musk Rat in order to alert you that your ex is in the building; in other words, Hide!
by Buff Shrimp July 29, 2009
 
7.
Slang. Prevalent throughout the Midwest, the South, Canada, Eastern European countries and in certain sports like Hockey and Baseball. Facial hair that includes a mustache that connects to a goatee, to form a continuous circle of hair. The facial analogy of the mullet. Also known as a Van Dyke.
When we went to the sports bar, we saw half the guys watching Nascar sporting muskrat's.
Look at Bruce, he's wearing a muskrat!
by Big Eddie February 27, 2006