pinhead

1 ENTRIES FOUND:
pinhead /ˈpɪnˌhɛd/ noun
plural pinheads
pinhead
/ˈpɪnˌhɛd/
noun
plural pinheads
Britannica Dictionary definition of PINHEAD
[count]
1 
: the rounded end of a pin
2 
US, informal : a stupid or foolish person