Jesus Christ stop reaching for a prejudice that isn't there you fucking victim fetish. Power bottoming is a pretty explicit term. That's the whole point of getting it on a license plate, to get a giggle about an explicit thing shown off in public.

My god, no! I had no idea! 🤨

What's that got to do with the word on the license plate though?

I am wildly uncomfortable with the child on the plate next to that context but that's probably 100% the intent.