What is a duck in slang?

Related questions

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5. What does duck down mean?
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Tags

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2. #prison
3. #member
4. #members
5. #which
6. #other
7. #modify
8. #using
9. #ducking
10. #wikipedia
11. #prisoners
12. #officers
13. #manipulated
14. #encyclopedia
15. #manipulation
16. #coercion
17. #through
18. #slang
19. #staff
20. #technique
21. #correctional