It don’t make me no nevermind

it don't make (me) no never mind

colloquial I have no strong feelings or preference (about something) one way or the other. A: "Where do you want to go for dinner?" B: "It don't make no never mind—wherever you want to go is fine." Look, it don't make me no never mind if you want to stay here on the farm or go find a job in New York City. It's up to you.
See also: make, mind, never, no
Farlex Dictionary of Idioms.

It don’t make (me) no nevermind

phr. It doesn’t matter to me. Go ahead! Do it! It don’t make me no nevermind.
See also: make, nevermind, no
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • gotcha
  • like, you know
  • playa
  • nome
  • Nome sane?
  • Nome sayin'?
  • squeezebox
  • squeeze-box
  • like there ain't no tomorrow
  • Run that by one more time