Originated by GI's in Japan. Moose is GI slang for the Japanese word Musumei which means girl. Some Japanese girls use it as slang for theri vagina.

Properly spelled Musu

My wife is Japanese this usage goes back 60 years
GI to another "You should see my little moose".
by Otiose January 30, 2008
A mammal that likes to have sex with women on craigslist.
Did you hear about the Moose on the news that got shot by a hunter when he found out the Moose was having sex with his 12 year old daughter?
by Chicken42017 September 15, 2010
animalistic overwhelmingly slutty, a creature so hideous it hurts your eyes to look at. legs officially will not close due to significant partners. Typical moose traits include a somewhat bumpy area on the back of head, the head is usually tilted to the side so it doesn't miss feeding opportunities, and can hide the ashamed face of moose from other animals. Distinct sounds of arrogance. Schizophrenia, Neurotic, Insane, slut.
given the nick name moose. TAKE A HINT. A BIG FAT HAIRY ANIMAL.
by Alexandria_Musialkiewicz August 19, 2009
An animal that can b entertaining to watch have intercourse

A large horny animal
"I love moose watching!!!"

"I just love how mooses are soo horny!"
A large, ungainly girl (tall, well built than fat) who appears a bit dumb and/or clutzy, not particulary attractive. Or perhaps a girl who is a bit too big to be completely feminine, like Kimora Lee Simmons. Basically a girl whose physical presence is vaguely reminiscent of that hulking, slow-witted animal, the moose, which lacks the grace of something like a stag.
That girl is a real moose!
by ManofG February 07, 2009
A moose is another word for whore. A way to describe a slut. Can also be used as "Moosie".
Friend 1: Damn that girl is good looking

Friend 2: Yeah dude, but I bet she is a total moose.
by Nick, Cordell, Ian January 25, 2009
Meaning: something thats awesome, cool, rad, etc. Used to describe a situation, event, or object deemed as worthy of being awesome or cool.
"Dude, that heavy metal concert next month is gonna be so moose!"

" Just picked up some DVDs today and they are totaly moose!!!"
by NaTeSaUcE January 23, 2009
Moose is an adjective that is used to describe someone you show affection towards. This can be used in reference to an event that reminds you of how cute, adorable and perfect this person is. It can also represent dissapointment if spoken in a lower tone.

The term "moose" can also be used to replace the term "i love you". (see examples).
In context to a situation it can be used the following way.

"moose your so cute"

When applied to someones name

"alex your a moose"

Due to its hidden meaning of "i love you", it can often just be said on its own, at the begining and ending of conversations.

by bill chambers November 26, 2006

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