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3.
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
 
1.
1. (n) a vagina in Colombia and some other Spanish-speaking countries; probably a short form of cucaracha

2. (n) genitalia; supposed to refer to a vagina but in English you can say it for a penis too because we own the universe and can do as we like
My cuca hurts.

Damn, bitch! I got scabs on my cuca now cuz you don't wash that stank-ass bush!
by Shrimphead May 09, 2008
 
2.
domincan word for pussy
used by old dominican's and some young dominicans
mira muchacho me singe cuca vieja

look man i fucked some old pussy
by macorix July 24, 2006
 
4.
Cuca is short for CUltural CAmeleon
Look at that crazy Belgian. He is wearing loungepants to class. Hee is almost american. What a cuca.
by somerandombelgian February 09, 2008