Tenner (noun)

A ten-pound note.

Origin:

Slang term derived from the denomination of a ten-pound note.

Examples:

1. I'll give you a tenner for that book.
2. He spent his last tenner on a pint.
3. I don't have any change, only a tenner.
4. I've got a tenner here if you need it.
5. Can you break a tenner for me?