I.M. 

its short for instant message.

do u have AIM (aol instant messenger) if u do why not I.M. me

I.M. by Bug March 9, 2004

i'm- 

When you are so in shock and don't know what to say

I got a 42 on my midterm i'm-

i'm- by Queen cancelled March 18, 2019

i’m-

A word used in the form of distress, or irritation. Use as if you’re about to complain but stop.

“ We’re taking two tests today in class, i’m-“

i’m- by WetTaco September 20, 2017

i'm 

a response when you dont know what to say but you still want to respond

person 1:"I just tripped over a ketchup bottle."
person2:"i'm."

i'm by Julien steffen December 29, 2016

I'm 

When you're so shook, you don't even have words. So you just say "im". When in doubt, when you can't express yourself or find the word, just say I'm

You're so cute I'm

This is so fun I'm

You're so dumb I'm

I'm by Just a Phan shipper. June 30, 2017

I.M 

maknae of the South Korean boy band Monsta X.

Girl 1: Who is your ultimate bias?
Girl 2: I.M of Monsta X!

I.M by esse1hunnit November 28, 2018

I.M 

Member of monsta X

Also known as daddy, he’s a snacc, a full course meal, and such a talented little bitch it makes me mad, Stan Monsta X you cowards

“wow, I.M is perfection”
“Holy crap I.M can get it”

I.M by XxNoel August 4, 2019