The act of making someone hate you by being aggravating and then proceeding to complain about how every one hates you. Very common in grade school. Portmanteau of the words "hate" and "aggravate".
Phonical pronounciation- (Hay-ter-vay-t)
Tyler: "Let me see your iPod
Dave: "Not now, I'm busy"
Tyler: *snatches iPod*
Dave: *snatches it back* "Dude!! Don't do that! Don't hatravate me!"
Tyler: "Everyone hates me..."
Ben: "No, everyone hates the way you act"