n.these words are used to express a low opinion of someone's intelligence

同義詞：duncedunderheadnumskullblockheadboneheadlunkheadhammerheadknuckleheadloggerheadmuttonheaddumbassfuckhead

I, Shithead: A Life in Punk (Book)
Volume 5: Poetry for the Masses (SeaShedShitheadByTheSheSore)
Little Shithead's Room
GI Special 3C26: First Sgt. To Civilian Shithead - August 19, 2005
I, shithead, Keithley, Joe
CSP EP. 60 Shithead America
The Aesthetic Terrorism of Jay Reatard | The Tyee
Joe Keithley Is a Tyee Builder | The Tyee
Freakonomics: Scholarship in the Service of Storytelling
Ethical Perversity in America: Some Observations on David Mamet's American Buffalo