Some people think human decency would stop a normal adult from donning one of these costumes (or putting one of them on a child or pet). Then again, what about Halloween is supposed to be appropriate?
Anna-Rexia: How to make eating disorders Hot & Funny again

Free Mamogram: As long as there’s no Co-Pay.
Wet T-Shirt: Hoo-rah to the women’s movement!
Mangina: wear this, you’ll be playin’ w/ yourself all night.

Sexy American Indian: The actual message here is a statement against sexist and racist Halloween costumes, expressed in a totally hot manner.
Suicide Bomber for Kids: While the other children in this slideshow are paid models for costume sites, this one is not, so we decided to block his face. Suffice to say, he had a creepy look of unadulterated joy on his face leading us to believe his parents are the worst people ever.
Droopers Costume: Those shots he’s carrying are totally roofied.
Bag Lady for Babies: When it comes to desensitizing your children to the plight of the poor, you can never start too early.
The Nudist Family: At least they’re spending quality time together.
Birthing Woman: So, that’s why you’ve been practicing your birth face in the mirror.
Rabbi Dog Costume: I’m not sure what social commentary this is trying to say, if any, but somehow it’s more offensive because of the little dog.

Banana Flasher: That’s just funny!