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
Jesus riding a T-rex on fire with chocolate sex.
Dude, that was so sick!

I know! That guys such a moose!

Wtf are you talking about?

Look it up, its on urban dictionary now!
by Avigantimos December 29, 2011
A male's sperm. OR, moosed, the action of cumming.
There was a lot of moose in the bathroom stall.

When Tina walked by, Jon moosed in his jeans!
by fir3wing August 30, 2011
a Ultra Noob
He pulled a "Moose"
by v ViiRuS x December 21, 2010
When an individual acts brotherly/best-friends only to disappear permenantly for the love/lust of a woman is considered as being a "moose".
Ya! man, Mustafa was a brother but he turned out to be a "Moose".

Hey! Where is Mustafa these days? Don't Ask! He pulled a "Moose".
by Black Hawk, Knight Hawk November 19, 2010
a slang for the female genitalia, getting its use from the internal female reproduction organs resembling a moose or some other type of horned creature.
oh my gosh, the female reproduction totally resembles a moose!
by dinosaur16 September 20, 2010
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
A female with a larger than normal rack size, A female thats breasts appear to be the size of a moose!
Kale: Hey Jay! Look at that girls chest

Jay: Haha! Yes! its a moose!
by Rageofnoobs September 10, 2010

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