Head-Butting Enigma! Unravel the Secret to These ‘Head Hits’ Crossword Clues

1. Strikes on the head, informally
2. Nudges on the noggin
3. Knock on the cranium playfully
4. Taps on the dome lightly
5. Light blows to the head
6. Thumps on the noggin, colloquially
7. Playful bumps on the head
8. Bops to the cranium, informally
9. Jabs on the skull, in slang
10. Smacks on the head, casually