Comes from the movie The Shawshank Redemtion, and means to break out or get away with something (out of jail, or just out of trouble)
*1* Get me the hell outta this jail cell!!!! i am so gonna go shawshank if u dont bust me out quick!
*2* You betta shawshank out of this, or he is gonna kick your ass!
*2* You betta shawshank out of this, or he is gonna kick your ass!
by Hops July 05, 2005