Unclear of origin, a shtopper is one who is either very stupid, or very awesome.
Usually spoken in an indian accent or spoken by a true indian in regards to a failure of an indian.
person 1: DOOD I JUST DID FIVE BACKFLIPS IN A ROW!!!!
person 2: SHTOPPER!!!!
The art of shotophop describes editing a picture in a very high-quality way so that it looks like it was real, but without photoshop, e.g. Paint.net or GIMP. Often shotophopping is done with pictures of a friend and shows situations wich doesn't happen often in real-life.
A: "Whoa, have you seen Ryan's selfie with Adolf Hitler in front of Doc Brown's time machine in Area 51?"
B: "Bro you dumbass really think this is real? Bob shotophopped it."