Chiefly humorous or derogatory. A pert, saucy, vain, or insolent boy or young man; a coxcomb.

colloquial (frequently derogatory). A foolish, conceited, or impertinent young man; (also) a young person, esp. one who is inexperienced or naive.

A pert shallow-brained fellow; a puppy, a whippersnapper; a conceited fop or dandy. Now archaic.

A young man, esp. one who is stupid, arrogant, or unpleasant. Cf. puppy, n. 2a.

An ill-conditioned or low fellow; later, in milder use, and esp. of a boy or young man: A saucy or impertinent young fellow; an ‘unlicked cub’, a…

A whippersnapper. Obsolete slang.

A diminutive or insignificant person, esp. a sprightly or impertinent young fellow. Also rarely applied to a thing.

transferred. An insignificant person; a whippersnapper. colloquial. (Cf. whifling, n.)

(a name for) a brash, self-assured young man.

a term used to denote a supposed new type of Conservative voter, to be found esp. in London and the south-east of England in the late 1980s…