||plan, theory, hypothesis
||We did a what-if on the computer to see when the world will die from pollution.
|what in tarnation
||what is this? what the hell [B]
||What in tarnation? Where did you get that dinosaur?
|what in the name of heaven
||what is that? what's going on
||You built a gazebo? What in the name of heaven is that?
|what in the world
||what is happening, what is it?
||What in the world is that? It looks like a space ship!
|what it boils down to
||what it really means, the bottom line
||What it boils down to is this: we don't have enough money.
|what the dickens
||where did it go? how do you explain it?
||What the dickens did you do to your hair? Who cut it off?
|what the hay
||who cares? why worry?
||The hood blew off my car, but what the hay - who needs a hood?
|what the heck
||why bother? it does not matter
||Bing and Ko are getting married. What the heck! I don't care.
|what the hell [B]
||why? how? what the heck
||What the hell is he doing with my diary? Where did he get it?
|what the Sam Hill
||what happened, what the hell, what is it?
||What the Sam Hill did you do to my bike? The gears won't shift.
|Sam Hill is considered to be a soft replacement for hell or damn.