A gossip, especially one focused on celebrity garbage. Term coined by English rapper Lady Sovreign for "Blah Blah Full."
Not to be confused with blahbrarian.
Kelli: OMG, did you hear about Brangelina? They totally just -
Jane: Shut up, no one else cares, you blahbarian.
A beginner in the sport/art of Le Parkour
Also known as a Newbie or a Strawberry
D00d, he is a BlaBarian, cut him some slack