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Describes an Asian that has a tendency to be too "friendly."
Dude, did you see her at the part last night?! She was soo wai san.
by pedolionx December 08, 2010
A white girl who thinks shes asain
Look at that waisan over there acting like english is her second language
by F!RST October 02, 2009
an asian poser.
by n/a July 03, 2003