Top Definition
To describe a party, or shindig, for someone usually for a birthday or related event where much booze is involved and random things happen that people wont remember the next day.
1. Today is Lees 21st Shadangalson.
2. Im on my way to a mass Shadangalson.
by Sean Meunier April 06, 2008
5 Words related to Shadangalson

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