An offensive term for a hologram, i.e. someone who is dead (but maintained physically as a holographic projection based on computer records of memories etc.). Used on the TV show Red Dwarf.
"You livies hate us deadies" (Arnold Rimmer).
by Andy April 19, 2004
When you die trying to take a selfie
The selfie turned into a deadie when they fell off the cliff.
by Toe jammer August 11, 2014