A person with nowhere to go and nothing to do who wanders the sidewalks aimlessly in a swervy, slow path that blocks the paths of people who do have somewhere to go and something to do.
I was supposed to be at the Museum of Natural History thirty minutes ago but my path was slowed and at times completely blocked by roving packs of meanderthals.
by mymarwit July 20, 2010
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One who wanders about thoughtlessly.
We were at the mall and realized that Nate had walked off. He's such a meanderthal.
by N8 da GR8 February 2, 2010
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A term used to describe a disinterested, uncommunicative and disaffected man usually found meandering back and forth between the snack and liquor tables at “stupid” parties hosted by his girlfriend’s or wife’s “boring” friends.
Heather: Kelly, your boyfriend, Cornelius, hasn’t talked to anyone the whole time, and he’s just been standing over there for about hour stuffing his face with nacho dip and slamming beers.

Kelly: I know, he’s being a total meanderthal.
by Mr. Dam January 31, 2011
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Someone who's not very smart but goes on talking and talking circuitously around a subject without ever making any coherent point. Could be used to describe many politicians, including several State of the Union addresses of the past decade. Also applies to university professors, conference speakers, TV and radio personalities, etc.
"I can't believe so many people voted for that meanderthal."
"How did this meanderthal ever get tenure?"
"I actually paid money to sit here and listen to this meanderthal?"
"Enough of this meanderthal! I'm changing the channel."
by reuster January 28, 2010
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A person who will thoughtlessly jaywalk into approaching traffic.

A meanderthal is confident that any car speeding towards them will avoid them and that no driver has ever taken his or her eyes off the road for a second so it's totally safe to stop cars by throwing your body out in front of them.
Don't take Danforth Ave., the streets full of meanderthals.
by DerekRob October 8, 2010
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Similar to a modern day neanderthal.. this is an individual who is not only ignorant, abusive and always willing to spout hateful words to those who are smarter, but has the added bonus of being able to meander freely throughout the planet spreading their ignorance.
I wanted to get away from the local idiots but unfortunately no matter where I went, I was surrounded by meanderthals. There should be a law against that.
by Rhonja September 7, 2009
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A meanderthal is a person with a primitive sense of direction or courtesy. These people are commonly found as pedestrians as well as drivers, typically fond of the Prius, making frequent visits to places such as Wal-Mart and Starbucks.
"We'll get there as soon as this meanderthal finishes crossing the street."
by QwertyQuarter July 2, 2019
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