An item that is so insanely easy that even people who's IQ's are surpassed by those of rocks can still understand how to use it.
If something is idiot proof; to make it it impossible to mess up or misuse.
Dude, did you hear they made an idiot proof knife?
Yeah, but it turns somebody made a better idiot, so there were a few injuries. . .
an explanation that is for idiots, especially used in advertising when the ad is trying to explain the things that can be already understood by a normal person.
adj. - A task made so simple any idiot should be able to complete sucessfully.
v. - To remove any thought or doubt from a task so that any idiot can complete the task sucessfully.
n. - The evidence that a person is an idiot for relying on an idiot to perform a task that needs to be "idiot proof."
We need to measure and mark everything for the subcontractor I'll be paying money to build this tomorrow. Make it idiot proof for them.