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8.
(adj.) -- The act of being stupid, but more in the way of being foolish than being really stupid.
"Hey, don't be so stoopid, Danny! What were you thinking, driving with your eyes closed like that!"
by PRwiz101 November 01, 2009
 
9.
The Hawaiin pronunciation and spelling of stupid.
That whitey's stoopid.
by studium January 25, 2010
 
10.
Just all out ridiculousness. Whether it be in stupidity or a form of craziness (not mental crazy).
Matt and Mic were walking around in Flamingo costumes. Those two are stoopid...with 2 O's.
by XCkidd September 27, 2010
 
11.
when you and your friends are baked, and someone tries to make a funny joke or say something intelligent that makes no sense, you respond by simply yelling the word STOOPID! at them.
Darrel: hey man what if someone made a nest in a huge christmas tree and lived in it for a few days

everyone looks at Darrel as if hes an idiot

Shaun : STOOPID!
by joey jo joe jr shabadoo January 16, 2010
 
12.
Stupidity made manifest by a non-stupid person. Such seemingly stupid behaviors issue from otherwise intellectually intact people suffering from attitudinal problems such that the will to act stupidly becomes unalterably manifest.

Whereas stupidity cannot be cured, stoopidity requires nothing more than the willingness of the person acting as if he were actually stupid to do otherwise.

The problem with stoopidity and where it differs from ignorance lies in the fact that the ignorant man, having come to realize his deficiency will endeavor to correct his condition. The stoopid man, however, will consciously refuse to change.

Therefore, stoopidity is primarily a condition of attitude, will, and the conscious choices that follow therefrom.
Used in the precise same way as "stupid", the only difference being the connotation that the stoopid person is that way by choice rather than due to some unavoidable condition.

Therefore: "Man that guy is stupid," should mean that the person in question is, in fact, unalterably stupid by birth, head trauma, brain lesions, or whatever condition that may cause such a state of existence to arise. Such a person cannot be held accountable for his state of being.

"Man that guy is stoopid," connotes a person who has no justifiable excuse for his stupid behavior; that he actually chooses to act stupidly for whatever reason and will not alter himself despite having been shown his error.
by Ōsan May 24, 2012
 
13.
Term used to refer to someone as funny, silly, crazy, ect.

*Not to be confused with the term " Stupid " under any circumstances.*
him: Dangggg that girl is sooooo ugly!
Me: LOL! yu are sooooo stoopid !
by ohsofrxsh October 18, 2010
 
14.
Ridiculously fresh, dope, sweet. Used in contexts of new music and fashions. Rarely used nowadays.
That chunky gold chain is stoopid!
by Anternam March 31, 2006