Bad Halloween Costume

This past weekend I stumbled upon a Halloween party already in progress and wound up partaking in some festivities, sans costume. At first it felt a bit weird being the only person there without a costume but I really didn't care. Halloween: not my thing. After numerous drinks and being asked several times either "What are you?" or "Why no costume?" I decided to start replying: I'm a serial killer. I was in jeans, t-shirt and baseball hat. Apparently, girls find this creepy as hell. Go figure. Whatever, I had the scariest costume at the end of the night, after scaring everyone off.