Movies
Come on meat, show me that million dollar arm of yours cause I got a good idea about that five cent head.
— Crash Davis · Bull Durham

Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A taunt full of trash talk. The speaker calls the target 'meat' with a valuable arm, then undercuts the flattery by saying the head is worth only five cents. It's a blunt jab that praises raw talent while mocking the judgment behind it.
Context reviewed