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
tres cientos sesenta-y-cinco pronounced: tres sientos sesenta i sinco
Perhaps you mean "Cinco de Mayo" - in Spanish, that means the date, 5. May.
uno does thres quatro sinco sies seite ocho nueve diez
chisterasiteceto la sinco wey ta radikalol ta bahokatae sabaltogan ngabuli.