same difference meaning (slang): definition

same difference

noun

Etymology Blend of same (thing) + (no) difference.

Idiomatic, Slang A distinction which makes no difference; a distinction which does not matter.

"When you say she was a tart, do you mean a whore?" "It's the same difference," Betty said.2011, Constance Briscoe, The Accused, →ISBN, page 274:

Related terms: indifference, all one, all the same, as broad as long, make no odds, much of a muchness, potayto, potahto, six of one, half a dozen of the other, tomayto, tomahto, trivial