To ninja or take something unfairly from others who have equal oppourtunity as you, if it wasn't for your powers of removal from raid groups and the likes.
E.g. 'He pulled a right Anoobarak just now'
'I was in Deadmines last week, and some mage Anoobarak'd my rogue blade, I was well annoyed!'
'The worst thing about WoW, is Anoobarakers.'
'I couldn't believe it, anoobarak'd it from the whole raid!'