Related Clues:
- Happy to show how long it is in the ship
- Hums
- Well-tuned engine sounds
- Shows signs of pleasure or amusement
- Overturned frowns?
- Get off the highway
- They may be cracked or maniacal
- Whitehead's were accompanied by signs of grief
- Biographer shows signs of amusement, while suggesting we help ourselves
- Expresses amusement in ship over long distance
- Contented cats' sounds
- Looks pleased
- Cats' contented sounds
- Copies a happy cat
- Expresses happiness