What is Dco?
1.
Short for "Dryclean Only".
According to the Mitch Hedberg joke: "This shirt is dryclean only. That means it's dirty".
DCO is used to describe that someone is filthy, often in a sexual way.
Oh man, she is totally DCO. She's hooked up with everyone on the lacrosse team.
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1.
A sometimes obsessivecontributor to Urban Dictionary whose style is more apropros to an Urban Encyclopedia listing or a private blogpost..