To drink alone at home to the point of being shit faced while only wearing your underwear and having no intentions of going out.
Related to kalsarikännit
Person 1: Yo, let's go out tonight
Person 2: Nah ima just kalsari drink
Person 1: How's qurantine life?
Person 2: I've been kalsari drinking too much lol
Abbreviation for "Very cool, man"
Person one: I just finished my painting!
Person two: Ayyy vcm