to say you're going to commit to one thing, all the while doing something else.
a miserable failure
a figure who shaved the mustache he used to have and now is looking distinctly fabulous
Dude, I swear I'm gonna play my alliance druid because it's awesome. Now watch me dual-box while i afk and play my tauren druid.
Dude, that's a Belli.
: My dad would give me money, but he is a total Belli.
: I dumped her because she was not a Belli; she didn't even look remotely fabulous!