√ Fast And Easy To Use. I'm too busy studying for my exams to think about boys. Copyright © curiosity media inc. How to say birthday boy in spanish spanish translation cumpleañero find more words! In Spanish Quick Answer Cheers! (m) i brought this present for the birthday boy! said the grandfather as he entered the house.¡traje este regalo para el cumpleañero! dijo el abuelo. Birthday boy see also in english boy noun chico, muchacho, niño, hijo, chaval birthday noun.