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As I learned from a friend who had to spend the weekend in jail for a DUI, "bird" is jail slang for chicken.

Why be so specific and use the word "chicken"? Bird is a more convenient word to memorize for a person with only a 100 word vocabulary.
"Yo, I gonna get my grub on dat bird yo"
by Ant2562001 September 19, 2012
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23
A foolish, ignorant, prissy, selfish, female. Usually only care for their own desires and well being. Generally act recklessly without caring about the consequences that effect those around them.
1. All these damn birds piss me off.
2. Kimberly Baird
3. Went Bird hunting in the library today.
by [Birdman] December 18, 2008
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24
in the uk, bird is a common expression for an amount (any) of prison time.
no dave tonight then?

No man,he got pulled on a warrant,he'll be doing bird for the next six months.
by 20bag May 19, 2007
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