prig

tärkeilijä, pikkusielu A person who demonstrates an exaggerated conformity or propriety, especially in an irritatingly arrogant or smug manner.
puhekieltä A petty thief or pickpocket.
William Topaz McGonagall, The Christmas Goose

But a policeman captur'd the naughty boy, / And gave the goose to Smiggs, / And said he was greatly bother'd / By a set of juvenile prigs.

to prig a handkerchief