
1) Cockney rhyming slang for sun 2) Cockney rhyming slang for one 3) Cockney rhyming slang for son 4) Type of bread 5) Type of bun
Found on
https://www.crosswordclues.com/clue/penny-bun

A penny bun or a penny loaf was a small bread bun or loaf which cost one old penny at the time when there were 240 pence to the pound. A penny loaf was a common size loaf of bread in England regulated by the Assize of Bread Act of 1266. The size of the loaf could vary depending on the prevailing cost of the flour used in the baking. The nursery rh...
Found on
http://en.wikipedia.org/wiki/Penny_bun

Penny bun is London Cockney rhyming slang for one.
Found on
http://www.probertencyclopaedia.com/browse/ZP.HTM
No exact match found.