Take Back Halloween! – in their own words, this is “A costume guide for women with imagination.” It’s a great jumping off point if you’re looking for something a little more interesting/less ridiculous than Sexy Big Bird or Sexy Firefighter.
Native Appropriations: Open Letter to the PocaHotties and Indian Warriors this Halloween – as I mentioned in the racism post, Native Appropriations has a number of posts on the topic of costumes. This is a good place to start, as the author includes a link to many of said posts.
And finally, allow me to present the only “Sexy [Thing]” costume I won’t judge you for wearing: Sexy Scrabble Board! Because it’s HILARIOUS.