Silver Top
When you are driving behind a really slow car and all you can see is a silver head of hair belonging to an old fogy popping over their seat.
Why is there so much traffic? I'm going to be late! Damnit! It's a fucking "silver top!" I knew it!
silver dollar flat top
A flat top haircut in which a bald spot resides on top.
“That old man has a silver dollar flat top”