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2.
A three-day weekend.
Hey Ted, what are you going to be doing on your threekend?

Just kickin' back with a few buddies.
by Daewoo Q. Android May 26, 2007
 
1.
The word for describing a Three Day Weekend
"I'm so excited for the Threekend coming up for MLK Day!"
by chyachyachya February 07, 2010