Are you sure that's not for real?
No, I'm not sure it's a parody!
Given the proclivities of many constituents in Pelosi's home district, it wouldn't surprise me at all if she is familiar with the S&M scene.
There are rumors I posted in jest on a related thread:
The rumor on Capitol Hill is that Pelosi wants "Aye" to be the "safe" word for her S&M legislative sessions with Republicans in the U.S. House. She will keep whipping them mercilessly for her weird and depraved liberal gratification until they scream Aye!