A maned cat is someone who thinks they deserve respect for something that they really don't, like a cat wanting to be treated as a lion for gluing on a mane.
That cop told me I needed to show him respect because he had a badge, what a maned cat.
A really big, floofy cat. In other words a Maine Coon.
A: OH MY GAWD LOOK A MANED CAT!
B: What-
A: WHAT KIND IS IT?!
B: A Maine-
A: OH MY GOD SO CUTE!