Definition of wisecracker in English:

wisecracker

noun

informal
  • See wisecrack

    • ‘Here he plays a hapless barrister, which neatly illustrates the pervasive attitude among English sitcom writers; given the choice between a wisecracker and a buffoon, the buffoon gets the gig every time.’
    • ‘He is the wisecracker, with a clever quip always on hand.’
    • ‘Joan, new in town, is a wisecracker who just wants to fit in.’
    • ‘All the tough wisecrackers joined the respectful audience.’
    • ‘The modest number of wisecrackers in the back are routinely hushed.’