When someone does something on Facebook just to make a point, or have everyone else see it. Can be done by a status, or joining of a group. Usually not a direct comment or wall post.
Facebook news feed: Brain just became a fan of "Harvard Business School Class of 2014"
Carlos: Man, Brain is such an asshole, he just wants everyone to see that and rub it in their face. He's just conspicuous facebooking like always.
The act of going on Facebook while drunk, specifically the comments left and messages sent by a drunk person while on Facebook which are typically misspelled, unrecognizable, funny, and/or creepy.
He was totally faceboozing last night, just look at the comment he left on my page: "Hey just wanted ti say hey ur hot theres nothig to do late at night. WHy didnt you return my text message im a ggod guy and we should hagne out more whe nmy roomate leaves i will come over to your room to asy hi im persom ok bye"