Top Definition
The short term for Sinology, the studies of Chinese culture (language, history, philosophy, etc.)
Becoming more an more popular at the University of Zurich
->, whereas the really cool students started studying years ago.

Also referring to a smart, laid back student, studying the subject.
<Luc> See the guy over there? He's studying Sino.
<Dani> He must be a geek then.
<Luc> No man, Sinos rule!
by m-@ September 01, 2005
Acronym for "Straight In Name Only"
Don is a SINO, he needs to finally admit that he is gay!
by TexasLover87 October 21, 2011
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