SONSIEST
Scrabble letter values: S1O1N1S1I1E1S1T1 = 8
Definition
SONSIEST is the superlative of SONSY.
adjective SONSY: (of a woman's body) having a large bosom and pleasing curves.
Synonyms of SONSY: bosomy, busty, buxom, curvaceous, curvy, full-bosomed, sonsie, stacked