Nah, bro slang
This phrase is an evolving term often found in young people.
A way of rejecting an invitation, an idea, or a suggestion
You challenge me to go into the haunted house by myself? - Nah, bro!
Homie 1: You wanna get some wine? Homie 2: Nah, bro. It's enough.
I've already said "no" and you still don't understand.
If you're off your trolley, your ideas or behaviour are crazy or insane.
You really think whether i'll pay the debt. You're off your trolley