A fine, crisp, and usually lustrous fabric of a plain weave in which the weft threads are thicker than those of the warp, originally of silk and later also of a silk mix, or other fibres; taffeta.
adjectivefigurative, dialect Scottish, British, Canadian
Affectedly dainty; fastidious, especially concerning food; picky.
Early 16th century. Variant of taffeta, probably with alteration of the final syllable after -y.