TakeMe2TheRiver

He could have hit the Q. Over-betting twice is kinda crazy with nothing. There are many Q-hands in his calling range pre-flop on btn (AQ, KQ, QJ maybe QT).

What are your arguments for c-betting a completely missed flop thats 4-way?
Anyone with a pocket pair, trips, straight- or flush draw would probably call, so it's probably not gonna be succesful? Were you gonna bet again if you missed the turn? And what about 3x clubs or A/4 on the turn - those are really scary turn-cards.
But yea, looks like BB slowplayed trips..

Villain: The check on turn, in position, on a fairly low board, definately indicates two over cards, like AK or AQ. Thats also within 3-bet range.

Hero: since im playing 5NL zoom, ive been thinking about what i would think, facing a river bet like that. I would probably fold, putting you on KK, QQ, 77 or JJ. Quad 9's are very rare, and you have to be pretty loose to call a 3-bet pot with 9x out of position. It's rare for me to see AJ being played in that spot too. But thats zoom...