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Sticking your penis in between two hamburger patties and using them as a masturbating tool. Also, if inserted into the butthole, known as a double flopperwopper.
Bill: "Yum! This burger is amazing!"
Drew: "Yeah. You want to know what else is amazing?"
Bill: "What?"
Drew "I flopperwopped your burger."
Bill: "Im gay so i LOVE flopperwopper burgers!"
by BlackManKFC7 January 28, 2011
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