Sometimes Disparaging and Offensive. a girl or woman, especially an attractive one.
b.
a person of whom one is deeply fond; sweetheart.
c.
(sometimes initial capital letter) an affectionate or familiar address (sometimes offensive when used to strangers, casual acquaintances, subordinates, etc., especially by a male to a female).
d.
a man or boy; chap; fellow: He's a tough baby to have to deal with.
e.
an invention, creation, project, or the like that requires one's special attention or expertise or of which one is especially proud.