A person who feels It is a necessity to obtain or achieve everything despite its INSIGNIFICANT value. They feel the need to turn everything into a collection from Disney figurines to sexual encounters with peers.
Peer: I'll give you a twenty bag to suck my dicc out here in the hundred acre woods
Robbie: *Muffled gagging noises*
Pooh: Oh bother!
Piglet: He can't help it, he's a completionist.
Robbie: *Muffled gagging noises*
Pooh: Oh bother!
Piglet: He can't help it, he's a completionist.
by OJSizzle February 24, 2017
Get the Completionist mug.Kieran James livin in billericay is a complete and utter nitro negro who looks like a monkey and smokes puff while poppin E's
by damo February 26, 2004
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(v.) The act of hooking up with your ex's current partner's ex after discovering that your ex is hooking up with the target's ex.
Ex: Jenny and Alan used to date. Chrissy and Dave are dating, but Chrissy leaves Dave for Alan. When Dave and Jenny hook up, they are "completing the square".
by thedl February 28, 2008
Get the completing the square mug.A person who feels It is a necessity to obtain or achieve everything despite its significant value. They feel the need to turn everything into a collection from sexual encounters with children to snuff films
Luke: Aidan why have you stolen all Zacs chromosomes he can't function without them
Aidan: I can't help it I'm a completionist
Aidan: I can't help it I'm a completionist
by Melman Mankiewicz September 4, 2016
Get the Completionist mug.by Kung-Fu Jesus May 4, 2004
Get the complete arsehole mug.Someone with no common sense and no friends, who lives in their schoolwork. They can not dance, and they also can not dress. They look like a middleaged cat woman,yes even if they are a man, and are frequently seen lurking in the halls of closed municipal buildings looking for politicans to quiz on the state of the city's sewer system.
by yeayeayea132 October 23, 2007
Get the completenerd mug.Person 1: You talk to Jim lately?
Person 2: Nah, he's been asking me all of these personal questions lately. He's totally been a complete shark.
Person 2: Nah, he's been asking me all of these personal questions lately. He's totally been a complete shark.
by Fuzzball24 February 18, 2009
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