Vhial
The action of disappearing from an online conversation before someone has the chance to say goodbye. Usually the action itself is called Vhialing, and the victim is either Vhialed or Vhialated.
Dude 1,"Right guys, I'm going to log off for the night."
--Dude 1 logged out--
Dude 2,"Goodnight mate."
Dude 3,"Lol bro you just got Vhialed."
--Dude 1 logged out--
Dude 2,"Goodnight mate."
Dude 3,"Lol bro you just got Vhialed."