sez who

sez who

On whose authority? According to whom? An intentional misspelling of "Says who?" Used to express disagreement with or defiance against something that someone has just said. A: "There's no way you can win the race!" B: "Oh yeah? Sez who?" A: "You can't take those files to the police!" B: "Oh, really? Sez who—you?"
See also: sez, who
Farlex Dictionary of Idioms.

Sez who?

verb
See Says who?
See also: Sez
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • Sez who?
  • says who
  • Says who?
  • sez me
  • Sez me!
  • stronk
  • oll korrect
  • Puh-leez!
  • puh-leeze
  • leez