BAE
n. countable C1 Advanced US //ˈbaɪ// bae
n. Stands for Before Anyone Else. A person you love very much, like a boyfriend, girlfriend, or spouse. It is a very casual word used mostly on social media or in text messages.
n. Abbreviation for Before Anyone Else. A term of endearment for a romantic partner, such as a boyfriend, girlfriend, or spouse. Highly informal and colloquial.
I'm going to the movies with my bae tonight.
She posted a picture of her and her bae on vacation, and it quickly got hundreds of likes.