Corotos del pesebre
This expression refers to someone who has broken a fundamental agreement or messed with something highly personal and off-limits to another person. (The pesebre is a traditional Christmas nativity scene, which is considered a sacred and fragile display in Venezuelan homes.)
I fell in love with your sister... Dude, you messed with the corotos del pesebre. / You scratched your mother's car! You have messed with the corotos del pesebre!
Automatically translated from Spanish