Short for iMessage. Designated with a capital 'M'.

To send a message to someone via Apple devices running iOS 5 or later. It could be a message to send text, videos, locations and contacts.
"Did you get my iM?"
by @SherwinNgo October 11, 2011
Get the iM mug.
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 October 31, 2005
Get the IM mug.
stands for "I am sorry"

usually used in text messaging
Girl: Why you cheat on me?

Boy: "IMS"

Girl: No no its over!!!
by Raya11 November 4, 2009
Get the IMS mug.
Itchy muffin syndrome

when a woman's vagina or vaginal area itches, otherwise called the muffin
I had such bad IMS last night after shaving.
by lolzgurli333 March 4, 2011
Get the IMS mug.
An beautiful caring person who is very smart but doesn’t think before doing dumb things and is popular and awesome
Girl 1: hey there’s Rachel

Girl 2: aw she’s such a ime
by Chicken..wing336 July 17, 2020
Get the Ime mug.
A name for special ed niggas someone made in our school.
ehab is someone you could call an IM
by xxxsmellysalmonxxx69 January 12, 2020
Get the IM mug.
The initials for Idahomotorsports.com

A car forum with mostly people from Boise. Its a place to hang out, meet people and BS about car related and non car related stuff. Don't expect to find much tech info here.
Work was boring so I was BSing in the IMS shoutbox all day today.

"You going to the IMS meet this Friday?"
"I dunno man, last time I went some ginger kid kept taking photos of me and my car, then wherever I went this one dude's giant head kept blocking my view."

"Look at the STI I just bought d00d! I decided to hop on the IMS bandwagon!"
by grans0o of IMS January 9, 2008
Get the IMS mug.