noun, noun or participle which takes 'suru', intransitive verb
overeating; gorging; guzzling
Casual term for eating a large amount in one sitting, often with a sense of lack of restraint. Can be used as a noun or a suru-verb.
ストレスでドカ食いしてしまった。
I ended up gorging myself because of stress.
ダイエット中なのに、昨夜ドカ食
Even though I'm on a diet, I overate last night.