黑hak1底dai2

English

1. one of triad or gangster background (spoken)
2. criminal record
3. close connection with the underworld
4. black as the background colour
5. black underpants

粵語 — Cantonese

1. 案底；刑事罪案紀錄
2. 黑社會背景
3. 形容嘅背景係黑色嘅設計
4. 黑色嘅底褲（量詞：條）

Examples

• 黑底白字

  white text on black background ----

• 黑底真係好性感。

  Black underpants turn me on.

• 你有黑底係難揾工啲嘅。

  It is harder to find a job with a criminal record. ----

• 佢有黑底㗎，唔好隨便惹佢，小心佢揾人打你！

  He's a triad member. So don't ever offend him. He might send someone to beat you up! ----