ブーメランパンツ LinksSentence search for ブーメランパンツSentence search for ブーメラン・パンツEdit in JMdict Noun1. swim briefs; SpeedosColloquial, Wasei, word made in Japan, From English “boomerang pants”. Wasei (word made in Japan)Other formsブーメラン・パンツ Discussions Log in to talk about this word.