Top Definition
1. To do something before someone does something else (probably the thing that you are about to do to them) to you

2. To remove a television or other similar program from its regular airing temporarily.
1. The US decided to pre empt a strike on its soil by Iraq by striking them first.

2. The NFL has pre empted King of the Hill...again.
by dsaus April 11, 2007
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.