Crossing the streams bad
When something is as bad as Egon's explanation of crossing the streams from Ghost Busters:
"Try to imagine all life as you know it stopping instantaneously and every molecule in your body exploding at the speed of light."
"Right. That's bad."
"Try to imagine all life as you know it stopping instantaneously and every molecule in your body exploding at the speed of light."
"Right. That's bad."
It's supposed to be really bad... No, I mean like, crossing the streams bad!