Answer:
It is the great nemesis of the lactose intolerant.
RUGBY = 9, TENNIS = 14, FOOTBALL = 12, HOCKEY = 16, SWIMMING = ?
Long and slinky like a trout, never sings till it's guts come out.
What has one eye but cannot see?
I am always hungry, I must always be fed. The finger I lick will soon turn red.
You use it between your head and your toes, the more it works the thinner it grows.