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1 definition by KLYTIË

 
1.
Cuca is an 9 yr old, Japanese dancer on Youtube, also known as 3u10. She sings and dances to J-Pop songs.
She has another channel, reddaisy3u3 and her younger brother has a channel, bokuyuto.
John: Did you see Cuca's Massara Blue Jeans video?
Paul: Cuca?
John: 3u10
by KLYTIË July 31, 2011