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1.
A girl named Stacey who has a nice ass thus the word Stassy is created.
That girl Stassy has a nice ass!
by H-zee November 13, 2009
 
2.
shortened name for stasshole.
"when you act like a stassy, it shows what a true stasshole you really are."

"i will visit gramma once a year. i have to go anyways to get my children's christmas gifts."
by nursebitter January 01, 2013