funny business

English edit

funny business (uncountable)

Unethical behaviour.
(slang) Sexual intercourse or other sexual activity.
- 1932, Delos W. Lovelace, King Kong, published 1965, page 15:
  ‘I’ll be square with you. No funny business.’
- 1989, Grant Naylor, Red Dwarf: Infinity Welcomes Careful Drivers:
  ' […] I tipped her double to pretend we were dating on a regular basis, and to act as if she was crazy about me. Only in public,' Rimmer waved his hand, as if to ward off evil thoughts, 'there was no funny business. Oh, how I longed for the funny business! But that wasn't the deal. It was all above board.'