Answer: foil

AnswerCrossword Clue
FOILChocolate kiss wrap
FOILThat's a wrap
FOILDuel tool
foilperson or thing that makes another seem better by contrast
foilto frustrate or thwart
foilmetal in the form of very thin sheets
foilthin, flexible fencing sword with a blunt point
foilto defeat or baffle
FOILWrap for leftover food
FOILCovering for leftovers
FOILStraight man, for a comedian
FOILHershey's Kiss covering
FOILOlympic weapon
FOILShiny song off "Mandatory Fun"?
FOILStymie
FOILComic's sidekick
FOILCanucks Tin ... Phoenix
FOILUrge Overkill "Tin ..."
FOILWhat booze can do to a singer's performance
FOILFencing tool
FOILOutfox
FOILFrustrate.
FOILDuelist's weapon.
FOILKitchen aid.
FOILVery thin sheet of metal.
FOILWeapon in a sport.
FOILOutwit
FOILKitchen wrap
FOILMetallic paper
FOILDiscomfit
FOILWrap in sheets
FOILCheckmate
FOILFencing sword
FOILBlunt-pointed rapier
FOILWrapping for food
FOILMirror backing
FOILAluminum sheet
FOILAbbott, to Costello, e.g.
FOILStooge
FOILWrap for leftovers