Inside-out meaning : With the inside surface turned to be on the outside. (of knowledge) Thoroughly, extremely well. Describes the hitting of a ball that pitched outside of leg stump to the off side of the field. With the inner and outer surfaces reversed. Describing cross-court shots made by the unexpected hand, as of a backhand return of a ball struck to the player's forehand. Directed to the side; sideways. Slanting or sloping; oblique. Indirect; suggestive; not straightforward. Along the side of something.