We call it potluck!
DH & I grew up 40 miles from each other, But! He grew up on a farm and I'm a city girl. I still shake my head at some of his expressions. His frequent sayings include:
Dumber than a box of rocks
Best thing since sliced bread
Older than dirt
he looks like 9 miles of bad road
rode hard and put away wet
Let's do something even if it's wrong