Chew Up -

Aim to chew softer foods 5 to 10 times and tougher foods (like meat) up to 30 times.

This is a popular English figure of speech used to describe defeating someone aggressively or exploiting and discarding them. chew up

In a literal sense, to "chew up" food means to grind it with your teeth until it becomes a soft mass (bolus) that is easy to swallow and digest. Aim to chew softer foods 5 to 10

Which specific use of were you looking to learn more about? chew up