I am curious if anyone knows of any stories involving intelligence theft, and to be clear, I mean the mc (assumedly) gets smarter while making other people dumber, preferably with bimbofication as the woman who get drained become bimbos, and then have sex with the MC,

Team Fortress 2?
I prefer control point though.

Batman forever.

I'm pretty sure "Honey I shrunk the kids" has an episode all about brain drain

*googles it*

Hey uh...I think episode 14, "Honey, You've Drained My Brain" awakened something for me