What in (the) Sam Hill?

What in (the) Sam Hill?

An exclamation used to express surprise, shock, anger, disgust, etc. ("Sam Hill" is a minced oath for "hell," used for emphasis.) What in the Sam Hill do you think you're doing? You can't come in here! Just what in Sam Hill is going on here? You spent all that money at a casino? What the Sam Hill, Jake?
See also: SAM, what

What in (the) Sam Hill?

Inf. What has happened?; What? (An elaboration of what. Sam Hill is a euphemism for hell. Often with the force of an exclamation. See examples for variations.) What in Sam Hill is going on around here? What in the Sam Hill do you think you are doing?
See also: SAM, what

What in Sam Hill?

verb
See also: SAM, what