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The ridiculously large chain worn by T-Pain. It's first public appearance was at the 2009 BET awards. The chain is 1 foot by 1 foot and literally says "BIG ASS CHAIN".
"Yo did you see that big ass chain T-Pain had on at the BET Awards" "Yea that was his Big Ass Chain.
by Dr. pop-hip-hop January 18, 2010
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