びんぼうゆるぎ

貧 乏 揺 るぎ

  1. noun (common) (futsuumeishi)

    shaking one's legs (usu. unconsciously), tapping one's foot, fidgeting (of the legs)

  2. noun (common) (futsuumeishi)

    very slight movement
    as 貧乏揺るぎもしない
    archaic