A mythical creature that lives in a cave on a mountain. This may used as an insult towards someone, if the person is very aggressive and has no good morals or someone who likes to steal other peoples things.
Aidan: Hey Kelsey, why did you steal my shirt and my 10 bucks?
Kelsey: Because I'm a grinch.
Aidan: Yes, you are indeed a grinch.
Kelsey: Because I'm a grinch.
Aidan: Yes, you are indeed a grinch.
by oceangang69 October 11, 2014
 Get the Grinchmug.
Get the Grinchmug. A substitute for the word "bitch", typically used in front of elders such as grandparents, parents, etc., as well as young children.
by jonahraleigh April 20, 2017
 Get the grinchmug.
Get the grinchmug. by b0ssguy February 3, 2023
 Get the Grinchemug.
Get the Grinchemug. Alternate spellings: Grinché, Grinchè
Noun: The opposite of a smile; similar to a frown, but more severe.
Verb: The action of a face being made into a grinche.
Noun: The opposite of a smile; similar to a frown, but more severe.
Verb: The action of a face being made into a grinche.
by larryfan82 February 3, 2023
 Get the Grinchemug.
Get the Grinchemug. Yvonne: "Hey Fred, I was just thinking about how funny it is that there's no word for the opposite of a smile."
Fred: "Well, Yvonne, I think the opposite of a smile is a frown."
Yvonne: "I guess that's true, but why isn't there a specific word for it? Maybe we should make up a word."
Fred: "Yeah, let's call it a 'grinche'. It's like a frown, but with an added level of frustration."
Yvonne: "That's perfect. 'Grinche' it is."
Fred: "Well, Yvonne, I think the opposite of a smile is a frown."
Yvonne: "I guess that's true, but why isn't there a specific word for it? Maybe we should make up a word."
Fred: "Yeah, let's call it a 'grinche'. It's like a frown, but with an added level of frustration."
Yvonne: "That's perfect. 'Grinche' it is."
by FoodWaterWifi February 3, 2023
 Get the Grinchemug.
Get the Grinchemug. by V--dog October 4, 2010
 Get the GRINCHmug.
Get the GRINCHmug. You and your girlfriend/boyfriend break into someone's house on Christmas Eve, have sex under the tree, then steal all their presents.
"What'd you guys do for Christmas?"
"Well we were horny AND poor so we decided to give the rich people up the street The Grinch.
"Well we were horny AND poor so we decided to give the rich people up the street The Grinch.
by Johnny Ishkabibble March 23, 2009
 Get the The Grinchmug.
Get the The Grinchmug.