This is an exclamatory phrase used mostly without regard for context or audience. Such as when the user burns themselves on the stove or finds out their car has been broken into.
Leigh: Max, your car was broken into by some bum. I found him in the backseatplaying with your garden shearers.
A guy who pulls out the toilet in your house while your not home and puts in a fake toilet so that he can fit inside it. Later when you go to tke a shit, he rapes you anally and ragingly.