Wash and remove hulls from strawberries and place on paper towel to dry.
After drying place in freezer for 30 minutes until firm.
Cream butter in a medium bowl
Slowly add in the powdered sugar, and milk as needed, until everything is incorporated and frosting is right consistency.
Transfer to piping bag or zippered bag and clip corner to pipe.
Pipe a cirle on top of the Oreo to hold strawberry in place and to make "fur" ring.
Gently press strawberry into icing.
Pipe a fur ball on the tip of the strawberry.