半はんパンはんパンMeanings1nounshorts; short pantsCasual abbreviation of 半ズボン or 半パンツ. Common in everyday speech, especially among younger speakers.See also: 短パン夏なつはいつも半はんパンで過すごしている。I always spend summer in shorts.その半はんパン、どこで買かったの?Where did you buy those shorts?