PIG

noun

1. Any of several intelligent mammalian species of the genus Sus, having cloven hooves, bristles and a nose adapted for digging; especially the domesticated animal Sus scrofa.
2. (specifically) A young swine, a piglet (contrasted with a hog, an adult swine).
3. The edible meat of such an animal; pork.

verb

1. (of swine) to give birth.
2. To greedily consume (especially food).
3. To huddle or lie together like pigs, in one bed.