Related Clues:
- They can mean 'yes'
- Signs agreement without senior detective
- Votes for unknown characters from central Russia
- Assents to the captain
- Non-verbal indications of assent
- Approving bobs
- Thumbs-up verbal votes
- Homophone of the only letters absent from the answers, and also the clues
- Certain voiced votes
- Subtle auction bids
- Moves of agreement
- They may have it, in Congress
- Audition acceptances
- Headbanger does this during slow jams, perhaps
- Award nominations, slang