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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
a major doucher(s) who gets an erecjion from lifting heavy weight, drinking mad protein shakes, and injecting steriods up their friends asses. These men also enjoy checking eachother out and often have circle jerk congregations with fellow meathead douchers.
David says, "Why does Axel have an boner...?"
Dan says, "He's a meathead... him and his meathead friends get off when they drink protein shakes and lift heavy weight together."
by Raey-Dale March 20, 2009
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

perfect Example http://myspace.com/213951608
by M-Twon OH July 23, 2007
some body who is mad dumb and does something that is rely ridiculous and u cant believe it happened.
Yo you smacked that girl and your a dude your such a meathead
by Marquis95 May 16, 2011
People that have absolutley no lives that lift and eat protein all day. And because they lift they think they are tough but they cannot fight for shit, they can barley move their arms. Think they're the shit (football players/Lacrosse) but really everyone hates them. Also pick on people who are half their size to feel good about themselves when they will get fucked up by anyone with balls.
meathead 1 "Yo man you wana go lift after school?"
meathead 2 "Yeah of course, what do you wana take after protein shakes or creatine?"
meathead 1 "Uhhh...BOTH"

kid 1 "Yo did you see those meatheads those kids think they're so tough"
kid 2 "they really need lives, I cant wait till thad kid shuts there big ass mouth up".
by Antimeathead April 16, 2007
a highly ammusing contributor to theninhotline.com specialising in Nine Inch Nails hummour.
meathead rocks.
by tranquil_demon September 06, 2003
super muscular puertorican baseball players who often arent aware of how great their bodies are. People often make fun of them because of how amazing they are. there bodies are in peak physical condition, also a guido

synonym: i want u to put that shirtless pic up
steve ur such a meathead, i wish my body was that nice
by sgpuerto October 04, 2010
A heavily built male, though not fat, with wrists the size of tree trunks. Their ability to develop muscle by going to the gym is unmatched by any other human specie. They are usually so enthralled with themselves and their heavy, hairy bodies that they become very irritating to be around. They think they are hot shit, when really they are flat-footed peasants built like neanderthalic farmers. Some females, usually of lower societal status, often find meat heads to be particularly attractive, while viewing those with slim, sophisticated body-types, who are much better looking, to be skinny little underfed runts. This is of course a ludicrous notion, however many of these girls believe it as they are from hick parts of the world where they lack general education and the ability to think critically and be open-minded about things that have not necessarily been conditioned by Disney to believe.
The term 'Meat head' applies to any college male that constantly goes to the gym and flexes in the mirror even though they are not particularly good looking, but still get a lot of female attention due, partially, to their high level of conceit and cockiness and the willingness of ditzy, dumb bitches.
by MaleModels Inc. February 22, 2010