Verbal "All In" out of turn

[LasVegasMichael]

Hello all,

Playing 1/2 NL ($200 max) today at Venetian, and interesting hand came up. I was not involved in the hand, but still was an interesting play on many levels.

Here is what happened.

UTG+1 (new player with about $150) Raises to $12
LP random tourist (Loose Passive) calls.
Button calls (maniac/acting drunk player with about $450 in front) cold calls.
Everyone else including Both blinds fold.

Flop: 10 4 5 rainbow.

Button (out of turn) says "All In" with a smile on his face, before any action occurred.

Dealer (Joel) immediately said that it was binding. He then asked if anyone wanted a floor called. No one said anything.

UTG+1 Thinks for a long, long time, says "Okay, I will fall for your trick." and goes all in.

LP folds.

Button Pushes his chips in, and is silent for the first time in about an hour.

UTG+1: Q10os
Button: 10Jos

Turn: J
River: J

Button took it down with Jacks full.

UTG+1 rebought for $100.

END OF HAND.

Comments/thoughts on the all in out of turn being binding/the possible angle shoot by the button?

Edited to correct mis-posting.