make a pig of oneself

Tennessee Williamsの戯曲 "a streetcar named desire" からの引用です。
BLANCHE:
Apparently Mr. Kowalski was not amused.
STELLA:
Mr. Kowalski is too busy making a pig of himself to think of anything else!
STANLEY:
That' right, baby.
"making a pig of himself" は慣用句の様ですが、どんな意味でしょうか？
・Oxford English Dictionary: Overeat.: We made pigs of ourselves, with too many sweets.

・Collins Dictionary: If you say that someone is making a pig of themselves, you are criticizing them for eating a very large amount at one meal.: I'm afraid I made a pig of myself at dinner.

・McGraw-Hill Dictionary of American Idioms and Phrasal Verbs: Fig. to eat too much, too fast, or noisily; to eat more than one's share. Don't make a pig of yourself!
なる程、豚は食欲旺盛でガツガツ食べますからね。食べ過ぎると豚のようになるので用心、用心。