The hangover-like effects which are experienced the night after heavily abusing Dust Off, a beloved brand of compressed canned air which is normally used to clean computer keyboards.
by cashvegas February 23, 2009
That fucking irritating line of dirt that is always leftover when trying to sweep a dust pile into a dustpan. Dustovers cannot be killed, only made smaller and smaller until they are barely noticeable.
I had to get the floor spotless for dorm inspections; but ever time I tried to sweep up the mess there were dustovers.
by Jay Dubaya April 27, 2011