Madam Gazonga
A woman you know who acts like she's the best thing since sliced bread or is just super annoying. You can also use it to name-call a random woman who does something dumb.
My neighbor is a Madam Gazonga. She screamed at me for mowing my lawn on Sunday.
The guy in my class called the principal a Madam Gazonga because he didn't let us have pizza day.
My brother called my sister a Madam Gazonga because she took his favorite video game.