Bob

n.

A small amount of any currency, generally loose change.

In use

I cayant go tew de slots witcha girl boy 'cos I happent a bob tew me name!

Let Lawrence Muck translate it to posh English for you
Lawrence Muck

Hello, I've just finished my crossword. Would you like me to translate 'Bob' in use for you?

I am unable to accompany you to the slot machines, my dear, for I have not a penny to my name!