idiot proof

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. . .
by Slatte December 08, 2006
Get the idiot proof mug.