cool whip to top
Spray a 9 inch spring form pan. Line sides with wax paper.
Either by hand or by food processor crush cookies. Add a splash of milk to create a oreo paste. Set aside.
Taking 4 ice cream sandwiches out at a time, unwrap and cut into fourths (once long ways and once short ways). Line the sides of pan with sandwiches, pushing together to create a firm bordered crust. Repeat process until all sides are filled in. On bottom of pan press oreo paste to create a bottom for your cake. Place in freezer for 30 minute-1 hour.
About 15 minutes before removing springform pan from freezer remove the pints of ice cream that you will be using to softened. Remove pan and start layering your ice cream into pan. Place in freezer again for 1 hr or over night.
Just before serving top with cool whip. Cut and serve. Can top with crushed oreos.