a knuckle sandwich

a knuckle sandwich

  (humorous)
if you give someone a knuckle sandwich, you hit them You'll get a knuckle sandwich if you don't shut up.
See also: knuckle, sandwich
References in periodicals archive ?
IF Les Dennis could whip up the enthusiasm, he really should give Neil Morrissey a knuckle sandwich.
Top Scots chef Gordon Ramsay last night described as "absurd" claims he served a KNUCKLE sandwich.