IM

Instant Message or someone who can't be bothered to use an apostraphe for "I'm" (I am).

"some weirdo just imed me"
"im so lazy, man"

by j00l.i.e April 26, 2003

IM

n. An instant message. IM does not imply the use of either AIM or ICQ.

v. To send someone an instant message.

Did you get my IM?

My sister IMed me last night.

by The Grammar Nazi December 9, 2001

IM

Intramuscular, as in Instramuscular injection of a drug

"Oh shit, Danny is ODing on Heroin...let's take him to the hospital for an IM injection of Naloxone"

by WSB15 April 11, 2006

IM

noun.
1. a message that is sent over an online messaging service

verb.
2. the act of sending or receiving a message over an internet service

1. I sent an IM to Tommy to tell him about the party.

2. Eugene IM'ed me to tell me about his lame party.

by metman85 November 12, 2005

IM

A name for special ed niggas someone made in our school.

ehab is someone you could call an IM

by xxxsmellysalmonxxx69 January 11, 2020

IM

A program where no-life teens sit two feet from eachother to talk through their computers.

holy hell anna, your sitting two feet from Illiana just stand up and talk like normal people!!!!(IM)

by asdfghjkl;;' April 14, 2006

IM

meaning "istant message", when someone gets an account from a "instant message" company, and add's your screename, and talks to you when theyre bored

beep!

*****:hebrew means drugs, i IMmed you

****:ok.........

by fljsjflsxfs April 15, 2006