香港中英夾雜字典

定義: A romanised code-mixing term that is used to describe something, a person, or state as being so-so, or just okay in quality.

用法: E.g. A: How was the event? B: Ma ma dei la. E.g. A: How are you today? B: Ma ma dei la. E.g. A: What do you think of this shirt? B: I think it's ma ma dei.

同義詞: 麻麻地

參考: https://www.localiiz.com/post/culture-local-stories-guide-hong-kong-descriptive-slang-phrases