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18.
A Meat Head is a really large land whale. There is only one of this species currently known to scientists. The Meat Head has a ham on the top of its neck, in place of a head. The Meat Head can be spotted strutting up the sidewalk, with its one and only homeboy. Since the Meat Head is insulated with so much blubber, it only wears a thin sweater even in the coldest of winter days, to stay cool and prevent the ham from cooking. When the Meat Head chooses a sweater it may live inside it for 6 months to a year, or until it rots of and needs replacing. The Meat Head lives a lonely life. It spends its time alone, or with its only friend. The Meat Head will never mate. Due to its fat to muscle ratio, the Meat Head does not have the strength required to perform the necessary movements. Also, being the only one of its species, the Meat Head would only be able to produce sterile offspring, similar to when a horse mates with a donkey to produce a mule. NASA is currently studying the phenomenon of Meat Head Orbit. Meat Head Orbit or MHO is caused by the Meat Heads fat ass, it is actually so large that it has its own orbit. The Meat Head uses MHO to its benefit, capturing anything that begins orbiting it, and eating it, making his orbit stronger, and able to pull in larger objects for consumption. NASA is concerned that at the Meat Heads rate of growth, it may implode into a black hole, sucking the Earth in.
-"Holy shit! A beached whale! We should call the coast guard!"
-"Nah, that's just a Meat Head. It's actually a land whale, you can tell be cause it wears a blue sweater and has orbit."
by PirateBird March 17, 2009
 
1.
An enormously muscular guy who cannot hold a conversation about anything other than weight-lifting and protein shakes. Gets upset very quickly when he cannot complete his own sentences and thoughts. Can be found at nightclubs wearing shirts that are 10 sizes too small (if at all). They are by far the most closely related human beings to that of apes, chimpanzees, and other primate. They are evolutionary hindered and are less capable of following directions than my dead hampster.
by BONE May 03, 2003
 
2.
Typically a rather muscular person who walks around with their arms out to their side. Have no fear and love to start fights for no reason. Anthony or "Tony" is a typical meathead name. Shaved head and tattoos are characteristics of a meathead. Also known as a hardass. They carry around gallons of water acting to be some sort of muscle machine.
Meathead:"yo john, give me 20 bucks and ill knock this bitch ass out"
by Smurdax990 May 02, 2006
 
3.
One who wears cutoff t-shirts, lift weights, and drinks gallon jugs of water. Usually plays football, wrestles, and is very muscular. They tend to have short hair, and frequently wear sleeveless shirts. Drinking protein shakes and shopping at Hollister are also essential parts of the average meathead's day. Meatheads also tend to abbreviate where they live by putting the first letter of the city, and adding *town after. In addition to lacking high IQs, meatheads tend to stereotype things and people completely wrong.
Common meathead responses:
- "Bro let's down this protein shake then go to the gym."
- "Dude that guy has a Fall Out Boy shirt, do you think he's one of those Emos?
- >>Smashes aluminum can on head<<
by Alex Corbett [The A/C] March 05, 2007
 
4.
Usually said in describing a male who frequents the gym obsessively and only is concerned with "getting big", and who possesses little or no other qualities or personality.
"Yo John, look at those meat heads over there on the bench press. I bet their nuts are the size of M&Ms after all the steroids they've taken."
by John December 22, 2004
 
5.
A term that is used to describe a male who is overenthusiastic about lifting weights and whose thoughts consist of athletics, blondes, and sports cars. Meat heads are unaware of the majority of the English language and often communicate with others by using phrases such as “bro”, “dude”, and “sweet”. The dead giveaway of a meathead is if their attire includes a sleeveless muscle shirt, athletic shorts, and a lanyard for their car keys. If you ever find yourself in a setting with multiple meat heads, be prepared for frequent high fives, chest bumps, and hand pounds.
What Up Bro! - A common meat head greeting
by Mike... July 22, 2006
 
6.
A derogatory term referring to a person who is dead from the neck up. Can be used as a noun or adjective.
That meathead president said nucular again.
by fredrickson May 17, 2005
 
7.
A meathead can be anyone of combo of the following things:

1. Someone who is muscular and slower in the brain.
2. Someone who marinates their head in sauce.
3. Someone who likes to put their heads in a grill of some kind (Ex. Barbeque, George Forman Grill, ect.)
4. Someone who is a complete fucking idiot.
A: Yo look at that guy, he's jacked!
B: Ya, but he's a fucking meathead though.

A: Why is that idiot grilling his own head?
B: Probably cause he's a fucking meathead.
by Rim Job Rob May 25, 2009