ボインボイン

ボインボイン, ぼいんぼいんboinboin

noun · adjectival

  1. big breasts
  2. big boobs
  3. boing-boing

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences