1 definition by pikeplacemarket

Top Definition
A happening that occurs only once---not repeated---a unique event not seen before
The cheer leader's accepting a date with the chess champion was one-off for her ilk.
by pikeplacemarket June 18, 2009

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.