The Collaborative International Dictionary
Saucebox
Saucebox \Sauce"box`\, n. [See Sauce, and Saucy.] A saucy, impudent person; especially, a pert child.
Saucebox, go, meddle with your lady's fan,
And prate not here!
--A. Brewer.
Douglas Harper's Etymology Dictionary
Wiktionary
saucebox
n. (cx colloquial English) A saucy, impudent or impertinent person.
Usage examples of "saucebox".
That saucebox has the impudence to call me intransigent, stubborn, know-it-all, conceited.