Pig (see Pig Out)

Meaning: someone who behaves rudely or who takes more than their share of something
How to use in a sentence: The man was such a pig, he lived in a house full of garbage.  When he went to a friend's house for a barbecue, he ate so much, that some of the people at the barbecue didn't get any food.  Everyone at the barbecue said, "Don't be such a pig, leave some for the rest of us."

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