Casket clean 

Casket clean (adj.) is a compliment typically given to a male who is dressed well in a suit. Normally American men are buried in nice suits that are viewed during a wake or funeral. “Clean” is a synonym for a well-dressed or a man with a fresh haircut. See also: fly, GQ, fresh

*At a high school reunion banquet two male friends see each other after 20 years*
“Hey brother, I see you’re wearing a tailored suit with a pocket square and monogrammed shirt. You’re looking casket clean.”

Casket clean by 3bx96 April 26, 2021

open casket clean 

1) Being so well made up, that it seems you are ready to be buried.
2) Heavily made up.

Gurl, if we die tonight, just bury me as is, because I'm open casket clean!

open casket clean by greyplains January 12, 2018