a mouse or rodent hiding in your apartment or house. very friendly and cute. you cant kill it because you have made friends with the mouse.
last night i heard mousie friend!
by icebergler April 23, 2009
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Ally: Ugh, my new boyfriend is a terrible kisser...and I think he might be Chinese.
Mikey: Why do you say that?
Ally: He gave me some mousy tongue last night.
Mikey: LOL....Hey! Aren't you married?
by Timmy The Geek January 26, 2009
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A very insecure person, male or female, who will throw you under a bus in order to get attention on themselves, and who needs to feel that they can do anything better than anyone else in the group.
Did you notice that Kim complains about everyone on our team, and how badly they do their parts of the project?

Yeah, but she can barely handle her own.

She's a mousy lioness, always putting everyone down to make herself feel better.

Haha, a mousy lioness. That really desribes her.
by not a dummy February 25, 2012
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Suck my penis/dick/cock, in Arabic.

-to a chick, "mousi ziby"

Hey mary, mousi ziby!

To all you hatin mutha fuckas, mousu ziby.
by Mohammedd September 6, 2007
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noun, a word to describe the type of asians found in Irvine. To name these "people" after a mouse is actually insult to rodents, as a mouse fights back when cornered. Mousy asians on the otherhand, just look at away or down towards the ground as if bowing to a god.
Fucken mousy asian, look me in the eye son!
by niggman star33 August 15, 2011
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Having a drab, pale brown hair color. Almost gray (ish) In easier words: A REALLY UGLY BORING HAIR COLOR WHICH NEEDS TO BE STYLED PROPERY (brown hair always falls under this definition . . . sometimes blonde, but mostly brown)

You know that your hair is mousy if it's not necessarily a medium brown shade, not necessarily a blonde, just in the middle... with a hint of gray.
Lina: "That girl has a really pretty face!"
Maria: "Yea, obviously. But look at her hair... it's like a tangly light brown gray split ended... style... it ruins her face! What's the name for hair like that?"
Lina: "You're right. It's called "mousy hair". Thank GAWD my hair is not like that.."
Maria: "That's only cause you dye it"
by cristallina December 12, 2006
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yes. arson good. i snort venti farts, rAmen
mousie angle of god
by August 18, 2021
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