たるたる

noun which may take the genitive case particle 'no'

droopy; sagging; loose

Colloquial term describing skin or flesh that is loose, sagging, or lacking firmness. Often used in casual conversation about aging or weight loss.

• 年としを取とると、腕うでの皮ひ膚ふがたるたるになってくる。

  As you get older, the skin on your arms becomes droopy.

• ダイエットしたら、お腹なかがたるたるになっちゃった。

  After I lost weight, my belly got all saggy.