ringing the changes

Verb

ring the changes (third-person singular simple present rings the changes, present participle ringing the changes, simple past rang the changes, past participle rung the changes)

1. To make patterned sound sequences on bells, starting and ending on the same tone.
2. To run through all possible variations.
3. (UK) To enliven by varying combinations.

   Synonyms:

   mix and match

4. (UK, slang, 19th century and earlier) To pass counterfeit money.
5. (dated, slang) To trick a shopkeeper into giving too much change.
6. To take advantage of a change in order to make money.