brown bomber

noun3

1. •
   (Australia, slang) A parking officer, employed to issue parking tickets (i.e. fines) to vehicles parked illegally or for longer than the permitted time.

   • There is another kind called 'brown bombers'. They are very interested in parked cars. They put chalk marks on tyres and leave little notes, in envelopes, under windscreen wipers. — 1971
2. •
   An American cocktail containing peanut liqueur.
3. •
   (slang, old-fashioned) A laxative.