Definitions by Whovian Crosstrainer

deja who 

1. the unexplainable feeling you have never been
here before

2. the knowledge this place/time has never existed before
and is not likely to ever exist again

3. metaphorically called
"the Calling of a Time Lord"
please do not confuse with "deja who" ≈ deja vu as experienced by Doctor Who

When the Deja Who hit the Time Lord, she knew she had to end that time wobble.

deja who by Whovian Crosstrainer April 27, 2013