The term Beau originated from France and is a French Saying that was used as a saying that meant boyfriend.
But the term beau can also mean girlfriend, boyfriend, handsome, gorgeous etc.
Beau is a pretty old saying and most people now would not know what it meant if you said it to them.
The meaning of the French word Beau is to be good looking, handsome, gorgeous etc.
Being called a Beau whether male or female is a good thing.
My Grandma used to call me a Beau when I would visit her as a kid and I never really knew what she meant but later I asked her and she said it meant I was a handsome little boy and a gorgeous good looking boy.
The word beau means fashionable, beautiful, gorgeous, handsome or really likable or lovable.
A female beau is a female who is gorgeous, beautiful and very lovely.
So if a man refers to you as a female beau then the man is complimenting you and saying you're are very gorgeous, likable, lovely and beautiful.
A male beau is a handsome, lovely, good looking male and a female who says that to a male is also complimenting the male.
Being called a beau is a good thing.
The word beau is a very old word and saying and is just a nice way of saying someone is very lovely.