A phrase meaning the opposite of Just Do It.
Usually used when irritated at one's incompetence, or when embarrassed that you know someone
Also used to put down idiots or people that
epically fail.
Also used in acts of sympathy for
the retard that almost did, but you saved them by indicating that they Just Shouldn't.
Also said to let one know that they Shouldn't Have
just in case they ever try to again.