chew on
Intermediate (B1)informal
To keep biting something with your teeth, or to keep thinking hard about an idea or problem.
"The puppy was chewing on one of my shoes when I walked in the door."
Hear it in context

Dragon Riders and Martial Arts Mayhem | How To Train Your Dragon and Kung Fu Panda Collection
EPIC - Movie Clips · 18:20
Chew on that tubby.

Fully Dressed In The Steam Room | The Basement Yard #542
The Basement Yard · 50:03
You chew on it?

A Dark Fantasy Audiobook: Reborn With A Divine System And Hidden Power (Book 1-4) | Complete Series
NoirCast · 211:29
Here, chew on these.

Joe Rogan Experience #2486 - Luis J Gomez
PowerfulJRE · 154:16
They just chew on Yeah.

Joe Rogan Experience #2486 - Luis J Gomez
PowerfulJRE · 154:17
They chew on cocoa leaves.