dumb blonde

dumb blonde (plural dumb blondes)

1. (derogatory) A blonde-haired woman who is preoccupied with appearance (often to extremes) while neglecting intellectual pursuits; a blonde bimbo.

   Have you found the canonical list of dumb blonde jokes on the Internet yet?

2. (by extension, rare) A man of similar type.

Humor or otherwise, using the term to refer to a male will usually cause confusion.