"To lick a scoop without looking like a loser, first tackle the edge between the cone and the ice cream itself, not the top, says Ray Karam, Cold Stone Creamery's tastemaster. Even out the cone by licking each side equally in an upward motion toward the top. It's okay to use a spoon..."
I unknowingly have been using this technique. Couldn't help but feel a little proud of myself :)