a term of endearment. used between people in love. can be used by any and recommended for all. a very cute term you dont hear very often, to describe the one you love as being all yours :)
girl: hey handsome, i love you!
boy: girl you my booskie, my bay, my love :)
bay is a word i coined in 94 way b4 that song bay bay & their talking about da dj folks not a girl or woman . OK .. da word bay has many meanings like beautiful and young ... beautiful and yummy .. beautiful african youthfulness . itz just what kind of female u talking 2 at dat time itz wordplay
much like the word nur, bay is for anyone to lazy to repeat themselves or respond dignifiably. Or if the person doesnt want to participate or respond with an answer.