large solid box-like structure formed during the production of polystyrene insulation

plural of Burlington bun

(rare, dated) To take the biscuit; to top everything else.

a long sweet baked bun topped with icing.

plural of pineapple bun

A sweet bun, mainly popular in Hong Kong and Macau, with a crunchy sugary topping that has a checkered pattern resembling the epicarp of a pineapple.

A spiral-shaped currant bun, spiced and coated with sugar.

plural of sticky bun

Alternative form of bun fight

(idiomatic) A debate or disagreement, usually with several parties involved, often political in nature.