B-Deep - A fancy way to say you're so deep in trouble you might as we

A fancy way to say you're so deep in trouble you might as well be wearing a sign that says 'I'm doomed.'

Bro, I'm B-Deep in this mess. I might need a lawyer and a prayer.

She’s B-Deep in a relationship. They’re like married but not married.

I’m B-Deep in this job. I might as well be a prisoner.