Why do they yell Opa?

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Tags

1. #greek
2. #accompanies
3. #expression
4. #dancing
5. #purposeful
6. #sometimes
7. #weddings
8. #traditional
9. #culture
10. #smashing
11. #plate
12. #during
13. #common
14. #celebrations
15. #frequently
16. #accidental
17. #emotional