Young at heart

This phrase is different then child like. Young at heart is like still playful still likes to do fun stuff and not have a care in the world. Childlike is just annoying.

She is young at heart.

Young at heart by 000000001111111 March 17, 2009

Young At Heart

Adjective: A fun personality.

Dude A: My buddy makes cartoons for a living.

Dude B: Yeah?

Dude A: Yup, he has two kids, but he's still young at heart.

Young At Heart by Peacestar August 18, 2011