Top Definition
A person, often intellectual, who consistently corrects other people's mistakes in writing, speaking, et cetera; a wiseass. Also besserwisser.
"It's spelt /they're/, not /there/." - "You're such a klugscheisser."
by X-G January 14, 2004

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×