Meaning of dub up | Babel Free

Definitions

1. To put someone in prison, or into their individual cell.
   slang, transitive
2. To give up money; to give in to demands for money; pay up.
   archaic, slang, transitive

Examples

“[…] he said he had given Ryan two £5 notes to keep for him, and that if he didn't dub it up he would go down for the police; he never told me that Ryan had robbed him till Wednesday.”

CEFR level