WordNet (r) 3.0 (2006):

sonsie
    adj 1: (of a woman's body) having a large bosom and pleasing
           curves; "Hollywood seems full of curvaceous blondes"; "a
           curvy young woman in a tight dress" [syn: bosomy,
           busty, buxom, curvaceous, curvy, full-bosomed,
           sonsie, sonsy, stacked, voluptuous, well-
           endowed]