Ruth Buzzy, n. — Green’s Dictionary of Slang

Ruth Buzzy n.

[proper name Ruth Buzzi (b.1936), the actress best known for her work on Rowan & Martin’s Laugh-In (1967–73)]

(US black) a plain-looking woman.

1980

E. Folb Runnin’ Down Some Lines 197: Another group of expressions address female appearance: [...] Ruth Buzzy (woman whose appearance never changes, no matter what she wears or does).