The traditional male term for a boy celebrating a Mexican fifteenth birthday is quinceañero.
Quinceañero is the masculine Spanish counterpart to quinceañera. The feminine term is much more widely recognized because the celebration has historically focused on a girl’s transition at age 15, but boys and young men may also have fifteenth-birthday celebrations in Mexico and other Latin American communities.
The word is formed from quince, meaning “fifteen,” with a Spanish ending that identifies a person connected with the occasion. English-language discussions often use quinceañera as a broad label for the whole tradition, even when the honoree is male, so terminology can vary in informal speech.
A quinceañero celebration is not governed by one universal script. It may include a formal reception, family speeches, religious elements, music, and a court, or it may simply be a large birthday gathering shaped by the family’s preferences.