'boff' definitions:

Definition of 'boff'

From: GCIDE
  • boff \boff\, boffo \bof"fo\n.
  • 1. (Theater) a hearty laugh. [PJC]
  • 2. (Theater) a joke or gag line that produces hearty laughter. [PJC]
  • 3. (Theater) something very successful, especially a box-office hit. [PJC]