Top Definition
(n.) A fictional martial art that can only be described as the feeling that one has been kicked in the head this way before.

(v.) Getting your ass kicked a second time by the same person.
Don't screw with that monk, he knows Deja Fu.

I was hitting on that bikers woman again so I got deja fu'd.
by The Malc-Man April 13, 2006

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
A very mysterious form of martial arts where the weapon of choice is time.
Lu Tze, grand master of Deja-Fu, has already kicked your butt. Don't you remember challenging him?
by Shrikey March 22, 2004

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
The feeling you've been kicked in the head like this before.
People who have faced Shawn Michaels more than once in the squared circle often feel deja-fu.
by The Other Josh Cohen September 12, 2005

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