Grim 

To get smart with or show attitude

"Nigga where the money" "who you getting grim with"

Grim by Mr.Detroit March 4, 2010

grim 

A new school word for cool.

Yo, those fucking Air Twos are grim as shit, son.

grim by JayR June 20, 2004

Grim 

An androgynous senior citizen who’s appearance forces you to wonder - is that a grandma or a grandpa???

The geriatric version of a “shim” - is that a she or a him??

Susan was cursing out the slow driving grandpa causing traffic, but when she finally passed them she realized it was a grim.

Grim by Dirk217 May 10, 2019

grim 

The name of a strange and very shizophrenic dude with a very big profile neurosis; mostly appearing in internet chatrooms and talking nonstop nonsense while listening to total absurd music.

"Hi, it's me, Grim." - "Oh, no, the bullshit goes on again, go away!!"

grim by grim13 April 11, 2005

Grim 

Ayrten Korakis

I’m feeling Grim (Ayrten) today.

Grim by Adalia April 21, 2019

grim 

Verb - describing the action of soiling one's pants.
Named after the purple blob Maccas character who does not resemble anything in real life but seems to have an affinity for milkshakes.

1 - "OMG how did Chucho win that header against Vermaelan? I think I'm going to grim my pants"
"Too late, I already grimmed mine"

2 - "Where's the toilet otherwise I'm going to grim my pants"

grim by j-dwg October 12, 2009

Grim 

Something awful

That is so grim ,
Ew that is really grim,
Aww that was so cringy it was really grim.

Grim by Dublinyupyup April 17, 2016