Presenting our roundup of the 20 weirdest “ sexy ” Halloween costumes ever. And guess what? You can buy ALL of these. Time to stock up on. There have always been the standards — a " sexy nurse," " sexy firefighter," or " sexy pirate" costume but now well, now there are these bizarre, sex-ified. We found 30 of the most tragic, strange and offensive " sexy " Halloween costumes out there. Consider this a visual guide to your destruction of.