A duplex communication system is a system comprised of two connected parties or devices which can communicate with one another in both directions. (The term duplex is not used when describing communication between more than two parties or devices.)
Example of an duplex device: Phone
by 02k^ November 9, 2006
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Two separate turds coming out of your asshole at the same time.
by Cherylyn17 April 18, 2011
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When one person sits down to take a shit, and another person sits on top of that person and shits through their legs.
Suzie was pooping on the toilet and John sat on her lap and did the same. They performed the Duplex.
by Brian Brown November 19, 2004
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When a woman gets the thin piece of skin between her anus and her vagina removed creating one large orifice.
I went to go down on that chick and found out she has a duplex!
by Drowsy Hollar March 2, 2008
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To make a double-sided photocopy.
Nate's duplexing that to save some trees for the Hippies.
by Cowbert von Moo November 14, 2005
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Half finished housed that are normally found in the projects or ghetto because the construction workers were scared off by the two black guys who stare at them all day.
I live in duplex, i hate winter...
by freshman October 11, 2003
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