Bun (hairstyle) Bun (hairstyle) A bun is a type of hairstyle wherein the hair is pulled back from the face, twisted or plaited, and wrapped in a circular coil around itself, typically on top or back of the head or just above the neck. A bun can be secured with a hair tie, barrette, bobby pins, one or more hair sticks, a hairnet, or a pen or pencil. Hair may also be wrapped around a piece called a "rat". Alternatively, hair bun inserts, or sometimes rolled up socks, may also be used to create donut-shaped buns. Buns may be tightly gathered, or
Penny bun 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 rhyme "London Bridge Is Falling Down" has a version which includes the line "Build it up with penny loaves". The expression 'penny bun' is Cockney rhyming