Preheat the oven to 350F. Mix the chopped cookies,flour & butter. Stir in the mini chocolate chips in a large bowl & set a side.
Prepare the pound cake mix with the water & egg as directed on the box. Pour half of the batter into a greased 9or 10 inch tube pan. Sprinkle 2 cups of the cookie mixture evenly over the batter. Cover with the remaining layer with the rest of the batter & cookie mixture. Press cookie mixture lightly into the batter.
Bake for about 45 to 50 mins or until toothpick comes out clean. Cool in a pan on the wire rack for about 10 mins. Carefully invert cake onto the wire rack, remove the cake from pan & completely cool.
Then mix the powdered sugar & milk. Drizzle over the cake. Let it stand until frim.