Characters
If I spill, my life ain't worth a nickel.
— Terry Malloy ‧ On the Waterfront
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
The speaker fears that revealing what they know would put their life in danger. Saying it would not be worth a nickel reduces their chances of survival to almost nothing. The blunt slang makes secrecy sound like a practical condition of staying alive.
Context reviewed