a paper binder that is painful to use because of those sharp paper holder tabs
I just cut my finger on this obsolete duotang, I should not have been such a cheap skate and bought a real binder
by Ben777 March 18, 2008
Top Definition
Inserting an exact replica of your cock into your woman's ass while your own cock is inserted in her vagina, or vice versa.
Dude... I bought this penis casting kit and made a latex replica of my unit. Then the other night when I was f**king Carrie from behind, I lubed it up and slid it in her ass. Totally DuoTang'ed her.
by GrouchyRodent June 20, 2016
A scene in a porno that involves 2 girls.
That 2 Girls 1 Cup video is the worse DUOTANG movie ever!!!
by Saints Slang July 30, 2010
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