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A person who obsessively attempts to collect an example of every item in a particular field.

A video game player who will play each level until all possible collections, statistics, and quests are completed.

My boyfriend played one level of SO4 for five hours trying to get every last monster; what a completist!
by safyredream April 19, 2009
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May 7 Word of the Day
Paper product used as a barrier against unwanted messes, such as the liner at the bottom of a bird cage.
Please put a New York Times under that before it gets all over the place.
by Phaedrus331 February 12, 2021
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A person, usually a fanboy type, who desires to collect all the work of a specific author or artist. Most common with jazz and rock musicians, where studio outtakes and live performances are collected and traded. Generally mildly derogatory.
You'd think he'd give it up after the fourth Dick's Picks CD, but truth be told he's just an over-the-top Dead completist.
by November 22, 2005
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