a square person who is trying to become well-rounded.
That nerd is trying to be cool. He's no longer square. He's an octagon.
by Wordman999 March 3, 2008
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Verb. Past Tense: Octagoned
The act of putting down toilet paper on the seat before taking a poo as the straight lines of toilet paper form the shape of an octagon. This is mostly done in public toilets or toilets alien to the user.
Angus: I just fired off a missile
Pablo: Dude that's gross, those toilets are jank
Angus: Its cool, I octagoned the seat
Pablo: Even still, for me its my own throne or nothing

The art of octagoning is to tesselate the paper so as to block out all of the seat.
by Chris Nissen April 24, 2008
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n. the octagon
superior fighting reservoir.. OF DEATH
the true definition of manhood, with the wisdom of a man
"I developed REX-kwon-do after two seasons of fighting in THE OCTAGON" - REX
by Mr. Very December 3, 2004
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What you say when somebody is coming too close or annoying you and you want them to go away. It is the shape of a stop sign and it tells people to stop. Formed by putting arms above head and joining hands.

verb form: to perform this action on somebody
sleazy old man at club: hey baby, how you doing?
girl (with arms raised above head): STOP! I'm an octagon!
sleazy old man at club: what the hell?
girl: didn't you ever take driver's ed? you STOP at the octagons!

Verb: "I octagoned the asshole across the hall who was trying to get into my pants"
by stinkylia December 31, 2005
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Nickname for Kansas State University's basketball stadium Bramlage Coliseum
Not even Texas can win in the Octagon of Doom. DOOOOOOOOOOM
by tGbAsP32 February 1, 2010
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Octagon-X is a person with secrets untold. A life in which not many know, for their sakes.
Being Octagon-X has a good reason behind it... Secrets that should not be told, for the sake of the people you love.
by AnonymousOctagonX August 14, 2008
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In order to perform a Dirty Octagon, one must fully, and vigorously masterbate on 8 separate occasions in no more than 1 hour's time. Attempting to perform the Dirty Octagon without proper training and equipment can lead to severe and irreversible injury. Upon completing the DO, you shall be admitted to the Masterbater's hall of fame in Detroit, MI.
Student #1: "Dude, I'm gonna pull a Dirty Octagon tonight"

Student(penis-less) #2: "your p***s is going to fall off"
by 343Cockblaster September 10, 2010
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