ジーンズジャンパー LinksSentence search for ジーンズジャンパーSentence search for ジーンズ・ジャンパーEdit in JMdict Noun1. jean jacket; denim jacketWasei, word made in Japan, From English “jeans jumper”. Wasei (word made in Japan)Other formsジーンズ・ジャンパー Discussions Log in to talk about this word.