1@Nose-FingerBack 1@FromNose-FingerForward

Alternative forms

 * The finger may begin pointing across to the nose rather than back to the nose.
 * After touching the nose, the finger may be drawn back near the cheek and then flung forward forcibly.

Etymology
The origin starts with pointing to a nose as it's indicative of being "nosy", which means prying for information in an intrusive sense. In morphological form: "Nosy? Not so." has introduced a new form for "Don't Mind".

Production

 * This one-handed ASL sign is usually made while twisting the head from side to side (the typical “no” headshake):
 * Posture the hand in with the finger tip touching the nose.
 * Hold the hand still briefly.
 * Twist the hand forward so the finger points forward and slightly down.
 * Hold the hand still briefly.

Verb

 * 1) not to mind; not to care; to be indifferent

Adjective

 * 1) indifferent; nonchalant