Synonyms of 'pig out'
▷ See pig
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If you overindulge, or overindulge in something that you like very much, usually food or drink, you allow yourself to have more of it than is good for you.
We all overindulge occasionally.
Thesaurus for pig out from the Collins English Thesaurus
If you say that people are pigging out , you are criticizing them for eating a very large amount at one meal .