デブ活かつ

noun, noun or participle which takes 'suru', intransitive verb

diet cheating; pigging out; binging on high-calorie food

Slang, often humorous. Refers to deliberately eating high-calorie or indulgent food, especially while on a diet or as a planned break from dieting. Can be used as a noun or with する.

• 今日きょうはデブ活かつの日ひだから、ラーメンとチャーハンを食たべる。

  Today is my cheat day, so I'm having ramen and fried rice.

• ダイエット中ちゅうだけど、たまにはデブ活かつする。

  I'm on a diet, but sometimes I pig out.