On a cleanup after everyone thinks they have everything in the truck, someone goes back in to do one last thorough check.
by Mr. Peterson January 14, 2007
It's the once-over when leaving a hotel/friends house/somewhere where you won't be back for a while. Typically performed by one assigned person. For all those times when you think, "Man! i'm such an idiot! I forgot my ..."
by sunshine-- December 24, 2008
To look the wrong way on a one way street when parallel or angle parking to make sure those idiots who drive the wrong way, don't hit you.
I was pulling out of the mall, but I had to do an idiot check because you know how those female drivers are.
by Brian Tsai October 21, 2005