Definition
A "yardbird" (also "yard bird") has two main meanings: First, it's slang for a U.S. military prisoner, especially in the Army or Air Force, similar to 'yard bird' (two words). Second, it's a nickname for the legendary jazz musician Charlie Parker. 🎷 For the musician, the origin stories vary from Parker practicing outside, to an incident with a chicken in the yard. Both meanings exist! The context determines the meaning.