頹飯 [颓饭]

Jyutping teoi4 faan6
Pinyin tuí fàn

Definitions (CC-CANTO)
  1. a slang used in HK universities, it means "cheap meals" that are sold at the cafeteria
Definitions (粵典–words.hk)
  1. 名詞
    字面​意思​就​係​頹​廢​嘅​飯​；​即​係​大學​飯堂​入面​，​賣得​相對​廉價​，​而​食材​亦​都​比​較​簡單​，​例如​係​午餐肉​、​腸仔​、​蛋​呢​啲​冇​骨​嘅​食物​，​可以​淨​係​用​一​隻​手​揸​匙​羹食​嘅​飯
    "cursory rice"
Definitions (Wiktionary)
  1. noun, Hong-Kong
    cursory rice