grim 

to look at someone with a dirty look; common term in 1990s Detroit, Michigan.

"I was walking down the street, and some girl was grimming me like she had some kind of attitude or something."

grim by J. Johnson February 27, 2004

Grim 

Something that is proper nasty, mainly used when talkin about girls or gashes

Menzies: "Cuz did u see that girl?"

Calum: "yeh man! proper grim!"

Menzies: "Innit rude boi"

Grim by Chris Menzies June 11, 2006

grim 

refers to an ugly chick, or any other unpleasant or tedious task. used colloquially, one could say "let's get grim," or "let's grim up." used in this sense, the whole phrase could be used in a situation where you have to fuck an ugly chick, otherwise known as "man up and do it, pussy." It could also be applied to doing any unpleasant or tedious task or simply getting serious about a task.

"i need to grim up and do this chick."
"let's grim up and finish this project."
"hahahaha, good joke. but let's get grim and do this."

grim by Mohungus January 3, 2006

grim 

synonymous with revolting, disgusting, ugly, gross..

Man did you see that girl, she was grim.

Someone hasn't flushed the toilet for weeks, it is grim in there.

grim by Anonymous January 28, 2003

grim 

one of the most feared outlawed gangs in kenya

that mans son was killed by the grims

grim by kilonzo March 26, 2010

grim 

Word with a few meanings...

1. Something nasty, or unpleasant
2. Dark, shady, or colour drained
3. New method of saying something is cool similar to the usage of sick

1. "Dude that food tastes grim"
2. "The weather's looking pretty grim today"
3. "You're so grim!"

grim by dark-darkling05 October 23, 2005

Grim 

(pronounced as: Grr and Rim put together) It means ugly or an ugly person. It can be used as a Noun or Adjective.

Mom these clothes are grim.

OMG look at that grim!

Grim by Kendal58 November 2, 2010