Meaning of a quote in the movie Casino (1995)

Solution 1:

A few things here:

1. "He's half in the bag" - he's drunk.

https://idioms.thefreedictionary.com/half+in+the+bag

2. "Eighty-sixed from the joint" - he was kicked out.

https://idioms.thefreedictionary.com/86

3. "With his nose wide open." This is indeed an odd turn of phrase. It's generally used in the context of lust,

For example:

Sam’s not dense. He’s got his nose wide open. It’s that Sally.

This example used here: https://idioms.thefreedictionary.com/have+one%E2%80%99s+nose+wide+open

In this context, I take it to mean that he is pursuing ten thousand dollars. Perhaps he's well on his way to winning ten grand.

4. "He took the money out of his own kick." Kick refers to his pocket. He's paying out of pocket.

From https://www.dictionary.com/browse/kick:

Slang. a pocket: He kept his wallet in his side kick.