1) a My Chemical Romance fansite
2) how lazies say "I know"
3) an abbreviation for the My Chem song I'm Not Okay
Mackenzie, get off INO!!

Me: We're going uptown tomorrow
Jim: ino

Me: What are you listening to?
Amber: INO
by Amberlilly July 11, 2008
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The fattest girl you can ever think of in your life.
"Damn, that Ino is so huge, she needs her own aquarium."
by Colin October 6, 2004
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Acronym for "In Need of Sleep"
(e.g.) "I've been so tired lately, I'm INOS."
by A girl INOS August 5, 2009
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Acronym for In Name Only, added as a suffix to one or more letters to form a larger acronym standing for ________ In Name Only.
Joe Lieberman is considered a DINO (Democrat In Name Only) due to being affiliated with the Democratic Party but acting much more like a Republican. The 2004 film Catwoman is sometimes referred to as CINO (Catwoman In Name Only) due to bearing few similarities to the comic book character it was supposedly based on. McDonald's can be considered FINO (Food In Name Only).
by James Crockett January 19, 2006
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Abbreviation for the My Chemical Romance fansite I'mNotOkay.net.
"I need some pictures of Gerard Waaaiiii!"
"There's loads on INO."
by klll September 24, 2007
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