A nickname given to one's little sister meaning servant and pronounced (mim-zay)
Oh Mimsy darling grab me another coke from the refrigerator please ..
by Jinxie Dee Breece March 10, 2022
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Home-made artificial vagina.

Making a wanking aid out of household objects, such as a child's armband under a sofa cushion, or your sister's guinea pig wrapped in tape to avoid it splitting.
Get me some tape, I'm going to make a squeaking mimsy
by Youwerewrongedgy March 24, 2011
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A charming, feminine woman that's glad she's a woman. The opposite of a third wave feminist.
I'm so relieved that my girlfriend is a Mimsy.
by mimimarceau April 21, 2019
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I do hope no one can see my mimsy in this short skirt
by Russ Brown April 1, 2003
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Name for a kitten seen in the MTM TV closing logo. Seen in variations matching the shows it is seen at the end of. Usually lets out with a timid "meow".
Mimsie is such a cute kitty. Too bad MTM is plastered over with newer logos now.
by Chad January 10, 2004
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1. Miserable and flimsy.
2. Something that is both of these things.
1. "All mimsy were the borogoves..." (Lewis Carroll, "Through the Looking-glass and What Alice Found There")
2. You might want to take that rat to the vet, Jake. It's lookin' kinda mimsy.
by Kinslayer August 18, 2003
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