Sinco means many things so you should make a more specific question or go to another site.
UNo Sinco
It's an acronym for SAMUEL IKECHUKWU NWEFIAK CHRIS OKONKWO (SINCO). Nigerian webmaster
five,5,sinco
Sinco Ochoc
estoy bailando cinco demayo
Chad Ocho-Sinco
tony montana
uno dos trecs quatru sinco secs siatea ortro neava deias
uno does thres quatro sinco sies seite ocho nueve diez
Perhaps you mean "Cinco de Mayo" - in Spanish, that means the date, 5. May.
tres cientos sesenta-y-cinco pronounced: tres sientos sesenta i sinco
Miya uno tu newave suave echos dues lima sinco