Definitiontramp or prostitute, then a promiscuous flapper, and finally a dumb woman.
2. The term gained popularity through the detective novels of the 1930s which portrayed her as a beautiful but dumb blonde who is taken out for a night on the town in exchange for sexual favors.
3. From 1940s onward, a sexy but silly woman, especially one with loose morals. See playgirl for synonyms.
Etymology: Possibly derived from the Italian bambino , meaning baby or from the Italian bombo , a child's word for drink.
(1) Billie Dawn (Melanie Griffith) to Paul Verral (Don Johnson) in Born Yesterday (1993): 'He still thinks I'm a bimbo from Vegas and so do you.'
(4) Laurence Shames. Sunburn : ' Bimbos eyes - you could look at them but never into them.'