a young woman with a shapely bosom, especially one who wears tight sweaters.
Origin
1940-45
British Dictionary definitions for sweater girl
sweater girl
noun
1.
(slang, rare) a young woman or girl with large breasts who wears tight sweaters
Slang definitions & phrases for sweater girl
sweater girl
noun phrase
A young woman, esp a movie actress or a model, with a notably attractive body, which she features by wearing tight and short clothing (entry form late 1930s+, variant 1941+)