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The act of, or a person who parties all night, then continues through the next day, and then straight through the second night without sleeping (or sometimes showering).
"We don't need a hotel room in Vegas, we're pulling a Dirty Bando."

"Todd wasn't having any luck with the ladies at the club until he hooked up with that Dirty Bando."

"Let's have one last Dirty Bando before you settle down and get married."
by El Stachio February 06, 2010