As with drunkspacing, this is the act of browsing facebook whilst drunk, adding random people, leaving unnecessary comments, and "tagging" all your cute friends in your new drunken pictures.
Ben came home late from the party and was still wasted, he logged onto his computer and picked some fights on the forums. Ben was so juiced he was drunkposting.
Jill didn't really want to sleep with you, she was just drunkposting
when someone is really drunk, and gets on facebook, and posts all kinds of random things that will soon be regrettable. its a bad habit to break. for some unknown reason, drunkbookers think that ALL of their friends should know they are drunk and what they are doing.
Dude, i got hammeredlast night and was drunkbooking. I had 5 different statuses telling everyone how drunk i was. I gotta quit doing that.