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1.
A small unique creature of Southwestern America. Mostly found in dark places, nocturnal in nature. Known to be peaceful, however will still growl or show teeth agressively. When not eating, they are naping or talking with friends.
Doug's in his room again, eating and chatting on AOL. he's being a total Monsie.
by hawksclone September 16, 2006
 
2.
1. Short for Monsieur or Mademoiselle.

2. Common term used by Sophie, Elsa, or Felicia describing someone as a loser or imbe.

3. A greeting or a word of closure.
"Elsa, you sure are an idiotic monsie."

"Sophie you monsie."

"Good day monsie."

"Hi monsie."
by Felicia Ho April 29, 2006