To put "lipstick on a pig" is a rhetorical expression, used to convey the message that making superficial or cosmetic changes is a futile attempt to disguise the true nature of a product.
Read more about Lipstick On A Pig: Etymology, Contemporary Usage, See Also
Famous quotes containing the word pig:
“Twelve voices were shouting in anger, and they were all alike. No question, now, what had happened to the faces of the pigs. The creatures outside looked from pig to man, and from man to pig, and from pig to man again; but already it was impossible to say which was which.”
—George Orwell (1903–1950)