Noun: pinhead 'pin,hed
- The head of a pin
"The map locations were marked with coloured pinheads"
- [informal] An ignorant or foolish person
"Don't be such a pinhead, it's obvious how to solve this problem";
- dumbbell [informal], dummy [informal], dope [informal], boob [informal], booby, divvy [Brit, informal], div [Brit, informal], poon [Austral, informal]
Derived forms: pinheads
Type of: head, simple [archaic], simpleton
Part of: pin
Encyclopedia: Pinhead