Green’s Dictionary of Slang

blouse n.

also blouser
[SE blouse but note earlier blowse n.]

1. a derog. term for a woman; also attrib.

[US]J. Weidman I Can Get It For You Wholesale 92: I felt so good about her having had the taste to pick something dignified, and not something that would make her look like a loud Bronx blouse.
[US]Goldin et al. DAUL 30/1: Blouser. A woman of ill repute; a prostitute.
[US](con. 1930) H. Robbins A Stone for Danny Fisher 55: I’m strictly a blouse man myself.
[UK]N. Barlay Curvy Lovebox 53: Some dippy blouse in a Volvo in front gets up my nose.

2. see blowse n.