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1.
Cyber-possession means the bout when you are in stark enthusiasm when playing a game and you are just too focused on it until you cuss when you lose in the game or even berate someone who tries to speak to you when you are playing it.
Larry: Hey bro, can I...
Steve: F**k off! I'm trying to concentrate in here!
George: Ahh Larry just let him alone, he has got the cyber-possession.

(a few seconds later)
Steve: Grr... Look! I lost the game! This is all your fault!!
by Le Mao September 03, 2012