しょうぶ 勝負パンツ LinksSentence search for 勝負パンツSentence search for しょうぶパンツKanji details for 勝 and 負Edit in JMdict Noun1. "lucky" underwear (esp. panties), set aside for special datesColloquial, See also 勝負下着 Discussions Log in to talk about this word.