When referencing a pet, this term stands for Indoor/Outdoor.
That is, a dog or cat that spends as much time outside as it spends inside.
Candy is our new I/O cat -- she sleeps outside at night but comes in the house to play with our other kitties during the day.
by Telephony May 1, 2015
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Short for "I Owe you".
"I O U 20 bucks
-signed Bob"
by MKahy May 22, 2008
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When you in debt to someone or very grateful for everything they have done for you.
I o u
by Thispagewasmadeforme October 2, 2020
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Some guy called asking for help since his computer wouldn't turn on. Turns out he had an I/O error, he hadn't plugged in the fucking computer.
by i'myourhuckleberry January 13, 2008
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An Ignorant Operator of a computer. See id10t

Meant to be confused with the more traditional Input-Output Error
Tech to the person who doesn't have a clue about computers but insists in sitting at a keyboard anyway.

" the reason the computer couldn't do that was an I/O Error"
by Old Tech August 16, 2003
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Incidental Oral Contact
Mike's lips were burning after he experienced I. O. C. with a stripper in the club. His friends Tom and Roger suggested that he visit the clinic.
by Cardoc January 19, 2011
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