Bae means "Before anyone else", it basically refers to the person who you care about the most, which is almost always your girlfriend. Bae = Girlfriend

www.urbandictionary.com/define.php?term=Bea

;I think, It refers to a person's name.

before anyone else "Bae," Urban Dictionary says, is an acronym that stands for "before anyone else," or a shortened version of baby or babe, another word for sweetie, and, mostly unrelated, poop in Danish.