Me: What is that?
Josh: Um, I don't know. Maybe it's from the blue vacuum downstairs.
Me: What did you do to my vacuum?
Josh: Nothing.
Me: How do you know this is from the blue vacuum?
Josh: Sheesh, it was a guess, mom.
vacuum noun, 1) the absolute absence of matter 2) an appliance used to rid carpets of dust and litter 3) a kind of bottle that keeps liquid hot or cold, such as a thermos