"All right", said the Cat; and this time it vanished quite slowly, beginning with the end of the tail, and ending with the grin, which remained some time after the rest of it had gone.
Lewis Carrollshe was a little startled by seeing the Cheshire Cat sitting on a bough of a tree a few yards off. The Cat only grinned when it saw Alice.
Lewis CarrollIf he smiled much more, the ends of his mouth might meet behind, and then I don't know what would happen to his head! I'm afraid it would come off!
Lewis Carroll