screwhead
/ˈskruːhɛd/Definitions
1. noun
The head of a screw, which is the part that turns to drive the screw into or out of a material.
“The mechanic needed to replace the screwhead to fix the broken engine.”
2. noun
A person who is considered to be eccentric or unconventional, often in a charming way.
“He was a bit of a screwhead, always wearing bright colors and talking about his latest hobby.”