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"I'm in" is an alternate form of "count me in" which means "include me"
- I'm feeling hungry, so I'm going to order pizza. Who's in?

- I'm in
by Siemprejorge August 08, 2014
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Jun 13 Word of the Day
No Bull Shit, and old hacker acronym which is usually used to signify that the talk will be serious.
User: I need to talk to you, NBS.
User2: ESAD, Noob.
by Heko July 17, 2004
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A word used by side-acting hackers in movies when they have access to the mainframe.

Nothing can stop them now.
*vigorously types into the CMD prompt with green text color then presses enter*

I'm in.

I'm in the mainframe.
via giphy
by bighandednigga June 02, 2017
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Keisha: "We're doing some trail improvement work on the south slope this Saturday at 8:30 AM—will you help?"
Samara: "I'm in."
by leannain-facal June 07, 2019
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Idk i just did this for tik tok
Tik tok: Remove the firs and last letter of your name and see how cool your new name is

Me: Name- Simina *removes ,,S” and ,,A”* so my new name is imin
by Sami_2020 May 29, 2020
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Our cute mochi Jimin's Name with out it's first and last letter
Imin also means cute just like mochi
Ex. I am Imin which means a cutie
by Mrs.Jeon May 07, 2021
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