Definition of "bullet-headed" [bullet-headed]

• Roundheaded.
• Stupid; doltish.

The Century Dictionary (Public Domain)

• "As Mike, the muscle for meth kingpin Gustavo Fring Giancarlo Esposito, the bullet-headed character actor makes sequences like Sunday's heart-stopping opener — in which he blasted his way out of an ambush, then calmly bent his nearly blown-off ear back into place — look like a walk in the proverbial park."
• "Embassy in Almaty, Kazakhstan, he met with a tall, bullet-headed man he knew only as Col. Korbator."
• "The film draws on the book of the same name by Valerie Plame, who was in the CIA but is not a bullet-headed, square-jawed man."