noun
inside-out swing
A golf swing path where the clubhead approaches the ball from inside the target line and moves outward through impact.
インサイドアウトのスイングを身につけると、ドローが打ちやすくなる。
Mastering an inside-out swing makes it easier to hit a draw.
Variant with interpunct; less common but seen in some contexts.
The opposite swing path: clubhead comes from outside the target line and cuts across the ball, often causing a slice.
Borrowed from English 'inside out', referring to the swing path direction.