A pedestrian who seems to appear out of nowhere while one is driving. This pedestrian may not have been seen due to the driver texting, singing, or reading a book while driving.
Peter: *reading Harry Potter while driving down the street*
Pedestrian: AAAAAHHHH!
Peter: *swerves out of the way* Holy crap! Those ghost pedestrians are such hazards!
Pedestrian: AAAAAHHHH!
Peter: *swerves out of the way* Holy crap! Those ghost pedestrians are such hazards!
by emmef January 25, 2012

Giving someone a substance (especially psychedelics, like acid) without their knowledge nor consent.
"Chad is so square, he really needs to have his mind opened. Let's add some acid to his beer, and give him a ghost dose!"
by GoodReed August 4, 2020

When your in the passion of conversation and look over to see your significant other looking at their their device....
by Bertman2000 December 17, 2017

by kekxdkek October 2, 2020

The source of the anonymous network messages that get sent out over computer servers as office or school pranks.
by Springfield Dropout October 27, 2009

When your body is still sleeping in bed and you are up walking around in a daze knowing that your body, mind, and soul is still asleep in bed.
by Ad Exec RJL January 11, 2024
