But while the formula is easy for girls -- go nearly naked -- men’s “sexy outfits” can easily go horribly wrong. Case in point: The Shocker, aka a man dressed as two in the pink, one in the stink. While I like an extra finger as much as the next gal, there’s no way I’d go for a guy dressed as a foam one. Is that a shocker? Yet, this jumbo hand is being mass produced and marketed to men. Clearly, there’s a difference between showing your playful, sexy side, and showing too much of that inner perv. I already warned you about unsexy t-shirts, so to help stop you from striking out on Halloween or to just give you something to point and laugh at, here are 21 "sexy" Halloween costumes that will not get you laid.