Answer:
As round as an apple. As deep as a cup. All the king's horses can't pull it up.
Long and slinky like a trout, never sings till it's guts come out.
You can tumble in it, roll in it, burn it, animal eat it. Used to cover floors, still used beyond stall doors. Freshens whatever it is placed on. Absorbs whatever is poured into it.
I bubble and laugh and spit water in your face. I am no lady, and I don't wear lace.
What word looks the same upside down and backwards?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.