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1.
To repeatedly molest chipmunks while wearing lederhosen, eating cabbage and potatoes and singing the Dutch national anthem. Usually done in large groups by teenage boys from rural Ireland to celebrate birthdays, weddings, important sporting victories and occasionally funerals
God i was out on the Treasa last night and i still can't fit back in my pants after it
by Afromania July 26, 2007
 
2.
An Irish name, originating from the name Teresa. Usually a kind, smart girl whos shy but super friendly. There is also a weird meaning, but is NOT realistic.
1.She was the GOOD version of a Treasa!

2. Treasa is such a nice girl...
by edezgirl October 13, 2011