A woman who's used so much makeup that it completely obscures their actual skin and features, making them look like they've been agressively airbrushed. Often seen on a Mutton Dressed As Lamb
"Hey, check your 6 - Pancake Lizard alert!" Watch it... "No, seriously, must put her makeup on with a trowel." Spatula, actually. "How can you tell?" That's my mum.