Tasted Purple
The feeling you get in your brain after you've hit your head on something hard, usually the back of the head.
I fell of my skateboard and hit my head so hard I tasted Purple.
tasting purple
Tripping on a psychedelic drug i.e. LSD, mushrooms so hard that you can taste colors i.e. purple
I tripped so hard at Bonnaroo I was tasting purple.