Definition of "meathead" [meathead]

• Slang A stupid or dull person. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "June 10, 2008 11: 37 PM momofonefornow said ... meathead is right."
• "You are free to say anything you want, but if anyone disagrees with you, they are either thrown into jail or called a meathead, right?"
• "There have also been targeted advertising attempts in printed publications, such as meathead and gearhead magazines, Maxim and Wired."