Related Clues:
- Was in a funk
- Chewed with canine teeth, perhaps
- Chewed
- Meditated gloomily
- Chewed like a rodent
- Annoyed persistently
- Ate like a 109 Across
- Ate like a mouse
- Nibbled persistently
- Chewed like a beaver
- Plagued
- Bit persistently at something hard
- Scolded persistently
- Persistently found fault with
- Persistently annoyed