We asked the BuzzFeed Community to send us their Halloween costume fails. Here are the results:
1. Tana Mongeau:

2. SpongeBob, Patrick, and Gary:

3. Onion/sperm:

4. Grass:

5. Elsa or Anna from Frozen:

6. Kidney/kidney stones:

7. Frank N. Furter from The Rocky Horror Picture Show:

8. Leela from Futurama:

9. A flying pig:

10. Blue Man Group:

11. Troll dolls:

12. Justin Timberlake:

13. Cards Against Humanity:

14. Primary school teacher:

15. Rubik's Cube:

16. "Wrecking Ball" video:

17. Whatever they could find:

18. Cupcake:

19. Hipsters:

20. Edward Elric from Fullmetal Alchemist:

Submissions have been edited for length and/or clarity.