1. Adjective describing one who is very ignorant.

2. Rating on one's ass.
1. That stupid shit who cut me off has to be pretty damn asinine to consider doing it again.

2. I'll give her face a two...and her ass a nine/asinine.
by doomsong123 March 24, 2007
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the idea that out of nine people one of them will be a jackass
Well, there's one asinine.
by Gavin September 8, 2004
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A rating for a womans ass that is almost perfect, and deserves an ass rating of a 9.
"Hey Brad, see that chick over there?"
"Yeah, she's got a nice butt."
"Yeah Brad, I'll give her asinine."
A nine? Hell no, her ass is a 7.
by SneekySlim May 8, 2011
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A word some people use to try and sound mature.
Guy 1: He does such silly stunts some times.
Guy 2: Agreed. That last one was especially asinine.
Guy 1: ...what are you, 80?
by Deeshceel May 7, 2009
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The level of your ass-ness.
You're an asinine. Do you want to be an ass ten?
by Mr. Bunnsy March 16, 2010
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Official:

1. Something utterly ridiculous or lacking sense.
2. Something relating to or resembling an ass.

Slang:

1. The act of being an asshole.
2. The act of being a retard.
3. The act of being stupid.
4. The act of being ignoramus.


Official:

1. That's an asinine plan.
2. That piece of "art" is asinine.

Slang:

That guy's asinine, in all meanings of the word.
by Jafje September 16, 2007
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"Your opinions on that subject are completely asinine."
by Lindsay December 9, 2003
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