Verb
put lipstick on a pig (third-person singular simple present puts lipstick on a pig, present participle putting lipstick on a pig, simple past and past participle put lipstick on a pig)
(idiomatic) To superficially alter something in the hope of making it seem more appealing than it is in actuality.
That new box is like putting lipstick on a pig. It's still the same buggy program inside.
You can put lipstick on a pig. It's still a pig. Barack Obama