1. This ain't your grandma's Halloween. Sheet ghosts gotta be sexy 

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via pinterest

2. This dog is sexy and it knows it

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via GrimRiderj

3. "What are you?" "Uh, sexy...getting killed by a cleaver"

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via DearMisterKidnapper

4. Bold move to straight up go as "sexy vagina". Certainly to the point

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via Glorypants

5. Dumbledore is tired of hiding his legs underneath baggy ass robes

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via amandabomb

6. If Edgar Allen Poe was this sexy he wouldn't have spent all his time writing all those spooky stories

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via airplanepilyt

7. When Ernie is away, Bert will play

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via LenytheMage

8. C'mon guys we can't even make a regular box costume not sexy?

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via dumpaday

10. Unfortunately they need to stick together all night

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via pinterest

11. Might've made Spiderman 3 better

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via weknowmemes

12. It's about time someone made the Periodic Table sexy

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via smosh

Check out more hilarious costumes here!