1. the bottom edge of a trouser leg that is folded up and sewn in place
Usage: British
2. an unexpected or surprising event or occurrence
Usage: informal

Examples

• His trousers had neat turnups at the bottom.
• The turnups on her jeans were perfectly pressed.
• What a turnup for the books that he won the lottery!
• The election result was quite a turnup.
• She adjusted the turnups on her new pants.