1 definition by a giant rock

To escape from prison, esp. through the sewage system.

The term is derived from The Shawshank Redemption, where Andy Dufresne escapes from prison after many years through a drainage pipe.

Past tense - shawshanked it.
Prisoner 1: Where's Harry?

Prisoner 2: He's shawshanking it tonight. Let's see if he gets to Mexico too.
by a giant rock September 3, 2011
Get the Shawshanking it mug.