be the day hell freezes over

To be an impossible or incredibly unlikely point or event in the future. The day that a Democrat like him gets elected in a blue-collar Republican town like this will be the day hell freezes over.

Common Names:

Name	Pronounced	Usage
Durans	-	Late Roman
Mariano	-	Italian, Spanish, Portuguese
Loukas	-	Biblical Greek
Marinella	-	Italian
Josip	-	Croatian, Slovene
TemÜR	-	Medieval Turkic