And a bird and 10 grand's where a mothafucka stand

from Kendrick Lamar (Ft. MC Eiht) – M.A.A.d City Lyrics on Rap Genius

Meaning

A “bird” is slang for a brick of Cocaine. He’s saying A Brick and 10 Thousand Dollars is all a nigga has.

Possible play on the expression bird in the hand

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