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1.
Stoid, fixed in own ways, unchanging, perfectionist.
He has to do everything 'just so' - He is so anally retentive!
by nusye December 15, 2003
 
2.
Uptight, stubborn.

Usage Note: You might like to think you're ascribing some sort of diagnosis to a person when you describe him as "anally retentive", but it doesn't mean anything in a psychiatric sense. It sounds professional, but it's merely a disguised way to insult someone.
"Bob's always been that nitpicky. I think he's anally retentive."
by Menchi January 13, 2004
 
3.
Although the original Freudian idea of the evolution of the character through various stages like the "anal stage", at each of which it was possible to get stuck, has not really stood the test of time, many outside the psychological community feel that it's still worth having a term for those backed-up individuals one occasionally encounters who have an abiding need to stop fussing about something or other and relax, unclench, and *blow it out their ass*. For this, "anally retentive" (or simply "anal") will serve as well as anything.
He's so anally retentive only dogs can hear him fart.
by nouiknouik January 26, 2014
 
4.
A phrase used by slackers when they feel inferior to you.
Oh, YOU think my work ain't good enough for you, your just Anally Retentive
by durrson February 22, 2005
 
5.
Unforthcoming, nervous. A lack of self confidence.
The guys at school are so anally retentive when it comes to talking to girls.
by Sarn September 17, 2003