An "ugly woman" is a blunt, offensive way to label a woman as physically unattractive. The phrase is body-shaming and sexist, and it is generally considered rude. Many prefer kinder, nonjudgmental language.
There is no such thing as an ugly woman. Vincent van Gogh
An ugly woman with a gun is a terrible thing. Ross Macdonald
It is better to be first with an ugly woman than the hundreth with a beauty. Pearl S. Buck
Better to kiss an ugly woman than to lick yourself. Burundi Proverb
That which in the beautiful woman is grace, in the ugly woman turns to disgrace. Salvadoran Proverb
No mirror ever reflected an ugly woman. Spanish Proverb