sdm2's definitions

back note

a light, almost airy aftertaste
Comes from the perfume industry meaning the last odor left on the skin as perfume fades

Derp: I liked the aftertaste, but later the back note was annoying.
Herp: An aftertaste can't leave a back note. Back notes are a type of aftertaste.

by sdm2 August 19, 2013