RiKu is a leecher who deoes thinks he is 1337 but is a kid with no life and should sit his trump azz on his runway h0e
by GaryZelda October 16, 2003
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A gay wimp-ass little boy from Central U.S. who attempts to copy Piccolo, who attempts to copy Moomoo, who horribly attempts to copy Vitz. But no one can copy Vitz, for he is Lord God.
Man1: Look, there's Riku!
Man2: Let's go chuck shit at him and sodomize him...in the ass!
by Vitz June 21, 2004
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A type of mode that literally can fuck everyone in the entire world. Most likely to appear in discord servers where when riku mode activated people get banned, channels gone or even CP is posted to ruin entire mans existence. Most importanly it hits the weebs the most due to waifu genocide.
Example 1:

Person A: ''Hey what happened today why are there over a billion people dead?''
Person B: ''Ah u know Riku mode was activated''
Person A: ''Understandable have a nice day''

Example 2:

A: "Yo bro can I have that waifu?"
B: "Ah, well, I kinda like her so I have to say no"
A: ''ok force divorce and deleting the server for a good measure"
B: ''wtf bro dont go riku mode right now''
by Propane and Assesories April 22, 2019
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A person that is so toxic in a fandom that it the fandom kicks that person out
Just dont wanna see another "Riku Effect" happen, y'know?
by GMLORD December 17, 2018
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A lazy person. Word is used in finnish language
Riku is a lömppä
by ComplexKlouhs101 December 11, 2018
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If your name is Rikus you are the best looking person in the world and every girl wants you and you care for everybody no matter what
Hey is your name Rikus because you probably get a lot of girls
by Ghostbuster November 13, 2019
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a damn sexy beast that every girl wants to do
He is such a Rikus today.
by SukiR October 5, 2016
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