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.
by 000000001111111 November 05, 2008
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.
Dude B: Yeah?
Dude A: Yup, he has two kids, but he's still young at heart.
by Peacestar August 15, 2011
We're young hearts look at us go, all we really need is a stereo. We're young hearts look at us go, there's no stopping us we will carry on.
by illuminat18n March 11, 2018