German-English translations for klugscheißer

• know-it-all
  We had it all figured out, but this know-it-all marched in with "the correct way of solving it", leaving our experiment in shambles
• smart aleck
• smartass
  Lots of luck, smartass.
  I have had quite enough of your smartass remarks.
• wise guy
  Her reputation for being a wise guy made her new teachers hesitant about having her in their classes.
• wiseacre

Related words

• Klugschwätzer
• Klugscheißerin