A box without hinges, key, or lid,
Yet golden treasure inside is hid,
he asked to gain time, until he could think of a really hard one. This he thought a dreadfully easy chestnut, though he had not asked it in the usual words. But it proved a nasty poser for Gollum. He hissed to himself, and still he did not answer; he whispered and spluttered.
After some while Bilbo became impatient. “Well, what is it?” he said. “The answer’s not a kettle boiling over, as you seem to think from the noise you are making.”
“Give us a chance; let it give us a chance, my preciouss–ss–ss.”
“Well,” said Bilbo, after giving him a long chance, “what about your guess?”
But suddenly Gollum remembered thieving from nests long ago, and sitting under the river bank teaching his grandmother, teaching his grandmother to suck–“Eggses!” he hissed. “Eggses it is!”