I think that's actually what he means. "Slapping someone's ass" basically means motivating them to do something that they otherwise wouldn't have (either due to fear, anxiety, unwillingness, or something else).
@hybrid_being
1. It helps to know the page number of the line being mentioned
2. I haven't read much of this series, so I'll pass your observance on the the PR responceable and ask if it was an error. After which if it was an error, it will take time to correct, and eventually to repost here on MD
"After this, Clay scolded me repeatedly telling me how I was outlandish and extraordinary and how out-of-touch I was with the world and how from now on, I shouldn't divulge my identity so easily."
Maybe it's not as sharp as can be, because in 99% of situations a sword doesn't need to be as sharp as possible, and the only reason Katanas required special technique to make is to make up for the shit-quality iron used to make then?