mayorcito

a little older, somewhat grown-up

m a ʝ o ɾ ˈs i t o
mayor the oldest, the eldest + cito diminutive
adjective · singular Rare #46,527
a little older, somewhat grown-up A diminutive form of “mayor,” often suggesting that someone is getting older or is old enough for something.
SP: El niño ya está mayorcito para ir solo a la escuela.
EN: The boy is old enough to go to school by himself.

Ocurre que ya soy mayorcito y no necesito obedecer sus órdenes.

The thing is, I'm old enough now and I don't need to obey his orders.

— Fresas salvajes (1957)

Eres lo suficientemente mayorcito para enfrentarte a tus propios problemas.

You're old enough to deal with your own problems.

Ya es mayorcito.

He's old enough to know better.

— Uno de los nuestros (1990)

Si tan mayorcito es, podría haberte buscado una casa.

If he's so old, he could have found you a house.

— Uno de los nuestros (1990)