ぴんしゃん

adverb, adverb taking the 'to' particle, noun or participle which takes 'suru'

vigorous for one's age; hale and hearty; full of beans

Describes an older person who is surprisingly energetic and active. Often used with している or とした to describe a lively state.

• うちの祖そ父ふは90歳さいなのにまだぴんしゃんしている。

  My grandfather is 90 but still hale and hearty.