churn

Definitions

• (transitive) To agitate rapidly and repetitively, or to stir with a rowing or rocking motion; generally applies to liquids, notably cream.
• (transitive) To produce excessive and sometimes undesirable or unproductive activity or motion.
• (intransitive) To move rapidly and repetitively with a rocking motion; to tumble, mix or shake.
• (of a customer) To stop using a company's product or service.
• (informal) To repeatedly cancel and rebook a reservation in order to refresh ticket time limits or other fare rule restrictions.
• (US) To continually sign up for new credit cards in order to earn signup bonuses, airline miles, and other benefits.