You and who else?

You and who else?

Who is going to back you up when it comes time for you to follow through on your threat? A phrase meant to challenge one suspected of bluffing. A: "I'll make sure you don't get away with this." B: "Oh yeah? You and who else? I've got more resources at my disposal than you could even dream of!" What are you going to do, force me to stop? You and who else?
See also: and, who
Farlex Dictionary of Idioms.

You and who else?

 and You and what army?
Inf. a phrase that responds to a threat by implying that the threat is a weak one. Bill: I'm going to punch you in the nose! Bob: Yeah? You and who else? Tom: Our team is going to slaughter your team. Bill: You and what army? Bill: If you don't stop doing that, I'm going to hit you. Tom: You and who else?
See also: and, who
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.

You and who else?

and You and what army?
interrog. Who besides you is threatening me? You and what army are gonna yank my chain?
See also: and, who
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • You and what army?
  • (as) sure as eggs (is eggs)
  • sure as eggs is eggs
  • long time, no hear
  • a penny for them
  • going, going, gone
  • going, going, gone!
  • all the best
  • great minds
  • great minds think alike