1. phrasal verb
If you chew
, you chew it until it is completely crushed
I took one of the pills and chewed it up.
2. phrasal verb chew
If something is chewed up, it has been destroyed or damaged in some way.
Every spring the ozone is chewed up, and the hole appears.
...rebels who are now chewing up Government-held territory.
This town is notorious for chewing people up and spitting them out.
COBUILD Advanced English Dictionary. Copyright © HarperCollins Publishers