un colegial

a schoolboy

→ uno
phrase Rare #48,060
a schoolboy Usually refers to a male schoolchild or student; it can also be used figuratively to describe someone behaving with youthful excitement or nervousness.
SP: Se puso nervioso como un colegial antes de la presentación.
EN: He got nervous like a schoolboy before the presentation.

Ni siquiera cuando era un colegial.

Not even when I was a schoolboy.

— Indiana Jones y la última cruzada (1989)

Emocionado como un colegial.

Excited like a schoolboy.

— Indiana Jones y la última cruzada (1989)

Estaba emocionado como un colegial.

He was as excited as a schoolboy.

— Indiana Jones y la última cruzada (1989)

Haces latir mi corazón como el de un colegial.

You make my heart beat like a schoolboy's.

— Fellini, ocho y medio (1963)