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1.
A popular food item in the Philippines. Steamed buns with various delicious meat or ingredients stuffed inside. Sio=Hot Pao=Bun Siopao. :D
Siopao is a great on the go treat.
by YochixB July 17, 2009
 
2.
A nickname for a white (or light skin) person who has characteristics or actions similar to Filipinos or another tanned skin nationality. White on the outside, tan on the inside.

A type of steamed Asian pork bun where the bun is made with a white dough and comes with a variety of fillings (pork, beef, bean paste).
Look at that white girl Lonelle eating pancit, she is such a Siopao.
by son of diego December 06, 2010