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.
by Anonymous January 28, 2003
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one of the most feared outlawed gangs in kenya
that mans son was killed by the grims
by kilonzo March 25, 2010
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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!"
by dark-darkling05 October 15, 2005
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Yo, those fucking Air Twos are grim as shit, son.
by JayR June 20, 2004
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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"
by j-dwg October 12, 2009
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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!!"
by grim13 April 11, 2005
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Backing off from a prearranged 50/50 gamble, a "flip", in an unfair way upon realizing that your chance of winning the flip is below 50%.
A: 100$ flip anyone? All-in regardless of cards
B: Agreed
B: Gets dealt King of Spades, 9 of Clubs
A: Gets dealt 5 of Hearts, 2 of Spades
B: Raises to 100$ and is all-in
A: Folds
B: Huh?
A: Uhh, bad connection
B: Dishonest bastard... Brb making sure everyone knows you're a grimming cheater
by Asdf69-666 August 15, 2009
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