A dominant (often mature) woman who uses verbal dexterity and her physical attributes to overpower inexperienced men. This might be in the workplace but more likely is in a sexual situation.
Sheila: Do you think he's a virgin?
Stephanie: Take your tits out see how he reacts.
Sheila: He'll probably wet himself and want to breast feed!
Sheila: Ooh, you are a nasty intimidatrix. I love it.