Hello,I found this : Bæ/bae is a Danish word for poop. Also used by people on the internet who think it means baby, sweetie etc. Bae I love u so much Brian, my bae I just made a bæ It´s funny....

It's slang for babe. Es como cariño

I'm a native speaker and I've never heard of it or seen it before..

It is a internet slang