底底 [－－]

Jyutping dai2 dai2
Pinyin dǐ dǐ

Definitions (粵典–words.hk)
  1. 名詞
    即​係​底​褲​（​量​詞​：​條​）
    underpants
Definitions (Wiktionary)
  1. noun, Cantonese, childish
    underpants
    (syn.) 底褲, 底橫, 褲頭兒, 內底褲, 內面褲, 底褲仔, 底底, 底褲 male briefs, 伴子, 內褲, female, 身底褲, GT - General Taiwaneseno specific region identified), 內褲 GT, 內褲 male boxers
Definitions (Kaifangcidian)
  1. 內褲 – 内裤