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based off of the word grim, meaning depressing or glum, grimson is just an exaggeration of the word, meaning 'full of grim.' it's a grim feeling.
person a: "dude, the clouds are making the sky look so dreary."

person b: "you're right... it's making me feel grimson."
by hhhidontknowwwww January 20, 2019
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Jun 14 Word of the Day
Referring to women who are sexually or romantically attracted to other women. Applies to both lesbians and bisexual women, as it is only the same-sex attraction that matters, not any other attractions the women may have.

Originates from the Greek poet Sappho, a bisexual woman from the Isle of Lesbos, from which we get the term lesbian.
The sapphic women greatly enjoyed each others company.
by whatisdead June 25, 2015
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a retarded,socially incapable and egotistic male that has very few friends
He is such a grimson or your such a fucking grimmo
by qwertiop November 21, 2011
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