Top Definition
A pun of the phrase "sell-by date" used to indicate when food will expire.

When a person uses a joke which has already become stale and frowned upon.
Man you need to stop using that joke, it's waaaaay passed it's tell-by date.
by codliver December 19, 2010

Free Daily Email

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

Emails are sent from We'll never spam you.