Manipulatrix
A woman who uses her considerable feminine charm and powers of persuasion to convince co-workers (typically men) to do her dirty work and thankless tasks in the corporate world.
Guy #1: Man, why did you spend all night writing up that marketing plan? That's a beating and anyway, it's Stacey's job.
Guy #2: I couldn't help it, dude. I was under the spell of The Manipulatrix!
Guy #2: I couldn't help it, dude. I was under the spell of The Manipulatrix!