A term used in some regions to refer to a brother-in-law.
Mi aburo vendrá a la fiesta este fin de semana y estoy emocionado por verlo.
My brother-in-law will come to the party this weekend and I am excited to see him.
Mi aburo es una persona muy amable y siempre ayuda a la familia.
My brother-in-law is a very kind person and always helps the family.