Definitions by Methodikal

cloaker 

Cloaker: Facebook user who sets their online Status to private and, after spying on the status of the other members of Friends list, will post, comment, or poke from unknown status source, only to disappear back into oblivion.

"I know shes a cloaker becuz she'd poke me after everytime I logged in and she wasn't online"

cloaker by Methodikal April 21, 2008