Word often used by chavs. Chavs ARE meatheads but prefer to blame it on someone else. A meathead I would say means there head is full of meat, not brain, meat.
Chav: Wat muzik do ya lyk den?
Sane person: I like good music like Rock and Indie.
Chav: Awwww MEATHEAD!
Sane person: No...I think that's you.
by Scattered182 October 01, 2005
In the gym, a meathead is the guy who only does mirror exercises and looks at himself frequently to see his development (imaginary or real). A mirror exercise is for a muscle that you see when you look in the mirror. These are chest, biceps and abdominals, and nothing else.
Go to any gym and you will see lots of guys (meatheads) like this. Hint: They are always in front of the mirrors.
by idiom police October 27, 2011
A person(usually and hopefully male) that frequents affliction or hollister stores and local GNC's looking for the latest muscle gainer. Known mostly for their quick temper and lack of coordination while participating in sports other than weight lifting. Meat Heads usually peak in popularity in high school and start declining after sophomore year in college due to either the over capacity of meatheads at the school or he is just a dousche bag. Overall the lives of meatheads are failures due to the fact they're never satisfied with their size.
Dude, lets go to the UND GNC or the mall and buy affliction shirts.

You're such a meat head.
by TheRollinVodkaofVu December 22, 2010
A person who acts like an idiot or otherwise incompetent person. They usually do things to try to fit in, but do them wrong. Meatheads also have weird habits that they think are normal, but really aren't. Meatheads are generally slow (mentally) and are obnoxious, and sometimes try to act like experts in areas that are usually unimportant (such as racoon behavior or other such oddities). A synonym for meathead is idiot.
(Guy tries going off a jump, and falls)
Steve: Dude, that guy's such a fucking meathead (referring to guy who fell).
Greg: Yeah, he can't even ride a bike.
Guy: Did you see that! I almost made it!
Steve + Greg: Yeah beat it, you fucking meat!
by scmar August 12, 2007
A Small Brained Individual, Who thinks about nothing but Lifting Weights, Protein Shakes, NAPS, Wearing Cutoffs, Night Clubs, and impressing, women, usually 2 to 3 years younger than themselves. They Wear Shirts too small and, don’t care about school until they find out benching 350 pounds wont get them a job at the big business. Meatheads will have a myspace, showing numerous pictures of themselves flexing and showing off their polished muscles. Future involves bagging food at local convenient store. When having spare time they can be found at the local, GNC. Meatheads associate themselves as in some sort of mafia ex: Sleeveless, Mafia. In 10 years you can usually find this, mafia working a low wage job like blockbuster cashier, or of a fast food restaurant reminiscing of their high school, glory days!
Gerald is usualy a Strong Meathead name along with Carl
myspace example http://myspace.com/213951608
by M-Twon July 23, 2007
1) n. Young males who go berzerk in the mosh pit and who's favorite part of a song is the mosh riff.
2) adj. Music geared towards Meatheads, with little musical complexity or innovation, such as Hatebreed or Terror.
1) I had no idea Pennywise fans were such meatheads but they all started moshing five minutes before the band was even onstage!
2) I love Terror mostly for the overabundance of Meathead riffs.
by Wardog July 10, 2008
One that cannot think or talk about anything except rowing, riding, wieghts or other forms of strenous activity.
T: S, what are you doing tonight?
S: Oh, a 20min ergo then 40min ride then 5km run, pretty standard
by the guy who is classified as h2 August 20, 2003
A meat-eater; a carnivore.

A male or a female who exclusively eats meat, or who would rather skip a meal without some sort of meat in it. Someone who would rather eat steak tartar than any kind of vegetable. A person who thinks vegetarians are crazy and probably malnourished. Someone who doesn't think it's food unless there were once bones in it. Someone who is offered fish, duck or chicken and asks "Where's the beef?"
If the choice for breakfast is oatmeal or dry cerial a meathead will whine about his missing bacon. Even eggs don't cut it without bacon or at least sausage. A meathead won't even enjoy huevos rancheros for brunch much less quiche. Better get him a steak.
We invited him to the best vegetarian restaurant in San Francisco, but that meathead said he'd rather go order himself a Whopper at Burger King.
by yogionefromobie March 08, 2011

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