No pit bull would have been complimentary. Pig...conotes someone who is ugly, sloppy, etc.
Okay, here is the test, guys. Sometime today when your wife asks if her skirt, dress, shoes etc. look okay, tell her, “Well, you can put lipstick on a pig, but it’s still a pig.”
Let us know how it works out.
Disclaimer: have medical alert tags visibly on wrist, and a phone near by, with you personal affairs in order. LOL