Who cares?

who cares

A phrase used to dismiss something as insignificant. Oh, who cares, it's not a big deal anyway. A: "Frankie has two phones." B: "So? Who cares?"
See also: care, who
Farlex Dictionary of Idioms.

Who cares?

Does anyone really care?; It is of no consequence. John: I have some advice for you. It will make things easier for you. Bob: Who cares? John: You might. Sue: You missed a spot shaving. Fred: Who cares?
See also: who
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

who ˈcares?

,

what do I, you, etc. care?

(informal) nobody cares; I, you, etc. do not care: ‘Who do you think will win the next election?’ ‘Who cares?’
See also: who
Farlex Partner Idioms Dictionary
See also:
  • who cares
  • Like it’s such a big deal
  • like it's such a big deal
  • Like it's such a big deal!
  • AIIC
  • stay at home
  • stay-at-home
  • as if I care
  • As if I care!
  • it's/that's not my problem