Military slang does get lewd: in the British Army “chitty bang bang” apparently came to refer to the permission slip that soldiers needed to leave the barracks – to visit local brothels; a first-world-war barracks song includes the bawdy lyrics “chitty chitty bang bang”.

Why is Chitty Chitty Bang Bang called that?

The origin of the name "Chitty Bang Bang" is disputed, but may also have been inspired by early aeronautical engineer Letitia Chitty. Like Zborowski, Fleming names his car because of the noise it made—and the noise a car made was important to Fleming.

What is a Chitty slang for?

noun. 1. a voucher for a sum of money owed, esp for food or drink. 2. Also called: chitty (ˈtʃɪtɪ ) mainly British.