Superlative form of cheeky: most cheeky.(adjective)
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Use "cheekiest" in a sentence
"The cheekiest is a snowball fight between the German guys and some Russian lady soldiers."
"The foulmouthed contestants on the upcoming Australian version of Ladette to Lady have been labelled the cheekiest and rudest in the show's history."
"And then Harbaugh, the young coach who's supposed to share the same favorite tenets as Coughlin—stout defense, tough run game, hard-nosed, old-school football—made the cheekiest of calls: an onsides kick with five minutes before the break."