Search Result for "pinhead": 
Wordnet 3.0

NOUN (2)

1. an ignorant or foolish person;
[syn: dumbbell, dummy, dope, boob, booby, pinhead]

2. the head of a pin; 



WordNet (r) 3.0 (2006):

pinhead
    n 1: an ignorant or foolish person [syn: dumbbell, dummy,
         dope, boob, booby, pinhead]
    2: the head of a pin