1 masticate, grind, munch; bite, gnaw:
Make sure to chew each mouthful thoroughly. The puppy chewed up my slipper.
2 chew the fat or rag. gossip, palaver, chat, converse, talk, Slang US and Canadian bullshit:
We sat round the fire and chewed the fat all evening.
3 chew out. scold, rebuke, reprimand:
The sergeant chewed out the recruit because his boots were dirty.
4 chew over. think about or on or over, consider, review, ponder, ruminate on, meditate on or over:
I'll chew over your proposal and let you know.