The Collaborative International Dictionary of English v.0.48:
Flossy \Floss"y\ (?; 115), a. Pertaining to, made of, or resembling, floss; hence, light; downy. [1913 Webster]WordNet (r) 3.0 (2006):
flossy adj 1: like down or as soft as down [syn: downy, downlike, flossy, fluffy]