a person who is very gay and likes gay music.
why is he always listening to the firefly song in the bathroom?
-thats Ru Ru.
by ruru ringin February 11, 2010
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somthing that defines a retard or idiot
you stupid ru ru

are toy a ru ru
by jalas January 30, 2007
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When someone has sweat patches showing under the armpit.
Hey Callum look at James' Ru Ru's
by jjssadsdmdlfelkijs October 7, 2010
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A person so mentally deranged the hair on their head turns red and they start to feel crackhead-red neck symptoms which slowly drain the Brian to the point of permanent hospitalization
“He turned out to be a rus rus”or “poor rus rus”.

Mommy look at that rus rus!”
by Redhead hater May 10, 2021
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A lazy unimaginative chat bot who steals other creative people's stickers and emojis.
- Oh that's a funny sticker Ru-Ru!
- Thanks, I stole it from someone else in the chat.
by Claymore.12 August 10, 2020
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