Excessive bits, shards, and particles of candy dust that result from the process of unwrapping a new and pristine or broken-in-the-wrapper candy cane. The release of said particles is perpetuated by the additional cracking and/or further breakage of said candy cane.
Melissa: Did you see Robert today? His shirt's covered with so much dandruff! Doesn't he ever wash his hair?!
Sue Anne: Silly Melissa! ((eye roll inserted here)) That's not head dandruff. Robert's on a candy cane binge. All those boxes he got on clearance sale after Christmas... those white flakes and dust all over his shirt and desk is candy cane dandruff.