腰こしパン

noun

sagging pants; wearing pants low on the hips

Slang abbreviation of 腰パンツ or 腰パンツスタイル. Refers to the fashion of wearing trousers so low that the waistband sits on the hips, often exposing underwear. Can describe the style itself or pants worn that way.

• あの高こう校こう生せいはいつも腰こしパンで、ベルトをしていない。

  That high school student always wears his pants sagging and doesn't wear a belt.

• 腰こしパンは90年ねん代だいのストリートファッションの一ひとつだった。

  Sagging pants were part of 1990s street fashion.