Saucy superl. : Showing impertinent boldness or pertness; transgressing the rules of decorum; treating superiors with contempt; impudent; insolent; as, a saucy fellow.

Saucy superl. : Expressive of, or characterized by, impudence; impertinent; as, a saucy eye; saucy looks.

Example:
How do you make Chicken and Nachos with the Saucy cheese?

Taxonomy
Dictionary, sau, Synonyms, impertinent, sauce, adjective, sauc, word origin, ness, Houghton Mifflin Company, free online English dictionary, dictionary results, pronunciation, Random House Dictionary, ly adv, free online dictionary, definitions, websters.

Defination from the web:
Saucy - Definition of Saucy at Dictionary.com a free online dictionary with pronunciation, synonyms, and translation of Saucy. Word of the Day and Crossword Puzzles. ... saucy. 1508, "resembling sauce," later "impertinent, cheeky" (1530), from sauce (q.v.). The connecting notion is ...