The bar idea is horrible, shacks. Just horrible. I mean, if you plan on committing a crime yourself(sexual assault) you should stick to punching his fat face or keying his car really bad rather than doing some faux man on man sexual assault.
Not condoning either, just saying that you should keep it simple and more direct. idiots don't put two and two together well and he isn't going to have some sort of Lifetime movie moment where he realizes how he is making others feel.