技ぎ癢よう

noun

itching to show off one's skill

Rare literary noun describing the urge to display one's ability. Often appears in the set phrase 技癢に堪えない (cannot resist showing off).

• 彼かれは技ぎ癢ように堪たえかねて、ついピアノを弾ひき始はじめた。

  Unable to resist showing off his skill, he ended up starting to play the piano.