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
Mug icon

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug