a person who only plays their xbox 360 console to gain achievements, and increase their gamerscore.
Man bob is a huge Achievement-Whore his gamerscore is 30,000G
by Magical Bread November 15, 2008
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1: A person who is motivated by their ideals. An intra-competitive person often marked by abandoning that which hinders their ideals.
2: One who strives for various degrees of near perfection.
3: Someone that desires more than is needed.
The over-achiever would not get married until she found the perfect father for her future babies. She died alone in her early fifties.
by Nco November 17, 2003
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A guy who uses his xbox achievements to pick up the ladies
Humberto: Hi ladies, how's it goin'? You girls wanna hang out?

Girl 1: No, we have to do stuff

Humberto: Well what if I told you I had the "What are you trying to prove" achievement?

Girl 2: What the hell is that?

Humberto: It's something special from Left 4 Dead, just like the two of you.

Girls: laugh and walk away

Humberto: Slowly dies inside

Random guy watching: That's the saddest thing I've ever seen. What an achievement scrub.
by Heff Garsha August 16, 2010
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Grown men (and a woman) who get paid to play video games and chuck soda cans at walls.
Achievement Hunter is my favourite. They're hilarious.
by YOLOSWAG2014 August 25, 2014
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A person whom on a daily basis smokes marijuana and reaches the utmost success in every aspect of life. i.e school, work, family, and friends.
A:Bro you don't get shit done and just smoke all day.
B:I got more money than you, better grades than you, and smoke all day.
A:really?
B:Yes, I am a stoner achiever.
by IPAD The Terrible April 12, 2011
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when an old man hikes his pants up to his wrinkly man boobs, grabs hold of the waistband and moves it back and forth..(after telling some great achievement story that makes him proud)
Every time Grandpa tells another WWII story, he stands up and does the ole Achievement Pants move
by Granny Moses July 23, 2003
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Person who acquires XBOX 360 console games for the soul purpose of getting all of the achievements for that game to gain gamerscore.
Dude, have you seen nick's gamerscore? It is hella high.

yeah, he is such a fuckin' achievement whore.
by Masonlolkthx November 05, 2007
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