Define B.y Meaning

"Because here's the thing kids, there actually was a world before you got here" - Comedian Bill Maher

"We date human events A.D. & B.C. but we need a third marker for Millennials and Gen Z... B.Y.: Before You." - Comedian Bill Maher

I don’t love anyone b.y

There’s nothing more or anyone I love b.y and only you