duke someone out

duke out

slang To strike someone and cause unconsciousness. A noun or pronoun can be used between "duke" and "out." I bet a lot of money on that boxer, so I hope his opponent doesn't duke him out.
See also: duke, out
Farlex Dictionary of Idioms.

duke someone out

tv. to knock someone out. (see also dukes.) Wilbur tried to duke the guy out first.
See also: duke, out, someone
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • not do (someone or oneself) any favors
  • ask back
  • (Is) this taken?
  • angle
  • angling
  • interpret for
  • interpret for (someone)
  • rescue from
  • rescue from (someone or something)
  • identify with