Used by absolute imbeciles who don’t have any parents and lives in there fat uncle joes basement where they look at anime girls for there whole life with a goatee.
Person one:Guys! My dad survived cancer!
Person two:who cares?
A way of saying why is it important
Patty: I’ve been a teacher for 30 years!
Me: Who cares?
"Tell someone who cares" "Oh Michael Reid does!"
who/cares are neopronouns used by closeted gay men who want to communicate to other gay men so they can talk in private.
I go by who/cares. ;)