Although it can be used as a term of endearment toward loved ones, an alternative meaning or use would be a a term you call someone to show your appreciation for what that person did or has, to the extent that it becomes an attribute you would desire in a loved one.
Person 1: I did all my homework, with no procrastination.
Person 2: That's so bae of you.
Person 1: I wrote the notes for you so you don't have to catch up.
Person 2: Such a bae.
Person 1: Oh my gosh! I got the new tongue piercing that I've always wanted.
Person 2: That looks so good. That is so bae.
Bae is a very pretty and unique name aka my name so shut ur bitch mouths up about the shit cause i was names before the "omg bae" just say babe ok and yes my name is spelt that way aswell and it also means berry in Korea so shut the fuck up
Hi bae hows ur day going not Omg ily bae or eveni need some baes