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1.
A device allowing Internet images to be shown on TV screen, and more.
I need a Roku to watch long movies on my big screen.
by proudtobejoyful September 21, 2011
 
2.
A fucked up individual, product, or situation. From the Koerean term Republic of Korea United States
Me and Justice sat in the Bowling alley sipping some Rokus ass beer, he spit it out and smacked the cashier!
by Ronald Fido Mexico March 03, 2009