An upstart who makes conceited, sardonic, insolent comments.

synonyms: smart aleck, weisenheimer, wiseacre, wisenheimer.

Roget 844: humorist, wag, wit, reparteeist^†, epigrammatist, punster; bel esprit, life of the party; wit-snapper, wit-cracker, wit-worm; joker, jester, Joe Miller^†, drole de corps^†, gaillard^†, spark; bon diable [Fr.]; practical joker.    buffoon, farceur [Fr.], merry-andrew, mime, tumbler, acrobat, mountebank, charlatan, posturemaster^†, harlequin, punch, pulcinella^†, scaramouch^†, clown; wearer of the cap and bells, wearer of the motley; motley fool; pantaloon, gypsy; jack-pudding, jack in the green, jack a dandy; wiseacre, wise guy, smartass [Coll.]; fool etc. 501.    zany, madcap; pickle-herring, witling^†, caricaturist, grimacier^†; persifleur^†.    ... show more

Dutch: betweter, schoolmeester, weetal, wijsneus, wise guy
Polish: filozof, mędrek