What is Holy Shit!?
1.
Something you yell when you see something incredibly surprising.
"Holy Shit!!!!! Emo has 1,222 definitions! Guess they think everyone's a fucktard and doesn't know what that word means, so they have to come up with more than a thousand definitions just to drive the point into us!"
(By the way, most of those defs suck.)
See
2.
When something is really stupid or shocking
Starr Jones is wearing something with a zipper! Holy Shit!
See