What does the number 13 mean to a biker?

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Tags

1. #alphabet
2. #number
3. #other
4. #drugs
5. #world
6. #patch
7. #wearing
8. #either
9. #meanings
10. #being
11. #often
12. #stand
13. #marijuana
14. #motorcycle
15. #assumed
16. #biker
17. #generally
18. #someone
19. #involved
20. #letter