What in the Sam hell spoken language slang
It's mostly heard in the US.
A slang to express surprise or strength of feelings about something.
What in the Sam Hill is it on your hair? It's funny.
What in the Sam Hill is it? It's weird.
What in Sam Hill makes you think that I fell in love with Jay?
I can't believe that you dropped out of school. What in the Sam Hill is in your head?
It is useless regretting about past events that cannot be changed.
I heard that you lost your phone at the shopping mall yesterday. Don't cry over spilt milk.