A person who studies (or makes videos on YouTube about) the alternative effects on world and future history. This can be spliced with CountryBall diorama.
If I want to be randomly successful on YouTube with my love and obsession for CountryBalls and the future, I'm gonna have to apply to be a mapper.
by Username_Jordan July 8, 2017
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One who creates maps, or game levels. A mapper uses software such as Hammer World Editor to create the world in which the game takes place, utilizing props, lighting effects, and a variety of textures.
Out of my development group, Jeff is the mapper, whilst I am the modeller.
by Pyth August 19, 2010
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The ability to be constantly bugging someone, and no matter how hard you try to get away from the mapper, it still seems to be grabbing onto you.

Also, a mapper is sometimes a Party Pooper. It'll fight, and contradict you in almost every subject until the point where you just give up.
MAP ATTACK
Friend: "Oh man, I am so sore from work."
Mapper: "Oh yeah, try 3 hours of Rugby practice!"

Friend: "Aww, I have to go to work for ten hours!"
Mapper: "Oh yeah, I worked at the bigstop for 13 hours straight! I didn't even get to take a nap!"
by Friend of Mapper April 11, 2005
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fucking mappy jeff pike. he is so god damn mappy. sudden movements and heavy breathing.
Jeff Pike is so god damn mappy. "fucking mappy bastard!"-Phil
by friends of mappy April 9, 2005
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A drifter. One who is constantly in travels, however, often retuning to familiar places of comfort. A teenage slacker.
It's hard for her to find motivation. She just lays around the house all day like a mapper.
by Teen Counselor November 28, 2007
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A person which possesses a handful of knowledge, particularly in a nerdy form.
"That person asks the teacher for homework, he must be a mapper"
by Orysky February 23, 2023
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Some raged racist kid who has like a million alts who steals video and is the leader of the GCIM and has 0 followers other than his subbots
Someone: I am subscribed to Lgbtq Mapper
Me: Get out of here you fatherless disgraced
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