First person: “I heard there is a great new vegan restaurant... should we try?”
Second person: “NIM”

My tinder date suggested we had salad for dinner. I was like NIM. Dumped him next day.
by clairebanjo May 17, 2018
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NIM is the revamped, transformed and self-configuring extraterrestrial aquatic lifeform of Naim.

According to Stalinist folklore, the founder of Fishism was bitten by a Tenualosa ilisha (Bangladesh's national fish) whilst copulating a couple mermaids in the LSE library, and thus ever since has been shapeshifting into aquatic species.
Once a NIM always a fish, once a fish always a NIM.

NIM can also be used in suffix form.

Boy: We should Netflix and chill babe
*Take his clothes off*
Girl: Erm why have you got scales on your skin?
Boy: I guess that means I am NIMing!
by Hassan786 December 26, 2018
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1) An annoying high pitched word with no meaning. Used to infuriate a person trying to have a reasoned argument with you by repeating it over and over whilst they talk. Very peurile but strangely satisfying to do.

2) Same as above but written form used to mock a poster in a messageboard environment by misquoting them as saying nim.
Aki: Look, here I am trying to be friendly and all you do is mock me make obscene references about my disabled mother.

Me: Nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim nim.... etc.

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Aki: Look, here I am trying to be friendly and all you do is mock me make obscene references about missing sister.

Quote Aki: Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim Nim your sister is in a ditch where I left her.
by Speedwolf March 5, 2004
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NIM- Nesting infested mambas, adj. Used to describe something cool, or awful, it doesn't matter.
Man those skinny jeans are NIM as shit.
by Fen Breed October 15, 2011
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a word used in frustration when swear words are inappropriate. Originted from mock the week and is used in a wider context by certain students in kings international college

origional students to use NIM at kings:
Maria, Alice, Jack, Solomon, philippa and soofiya
person one- you screwed up on question one
person two- NIM!!
by MOLEMAN48 January 23, 2008
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A mythical creature created by putting all four of your fingers together side by side then putting your thumb between the bottom of your index finger and middle finger to make a mouth shape. Nim-Nims usually spend the day wreaking havok or tending to their nests. They move by floating through the air and bobbing up and down at the same time. They eat monkeys because they cannot find sandwitches.
Every time your pick up a small or thin object your hand is in the Nim-Nim position.
by M2k3 August 24, 2005
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