"You canker blossom!" 3 Shakespearean Insults
"small boy," 1859, originally (1530s) a pickpocket who "pinched" other people's property; see nip (v.).
A small boy; lad •In British dialect, the youngest child of a family: warning that America's nippers are turning into microchip golem
[1859+; perhaps because he nips, ''moves quickly'']