noun. A little adorable poop. If only we could see it, and pet it, and make it our friend...
Real citation: “(a) ... because I'm prejudiced against nanopoop chemistry: George Whitesides, Sumio Iijima, and Stoddart (forgot his first name, the molecular machines guy)”
(Oct. 9, 2007, http://www.at-archive.org/?thread=260460&count=14&board=alliance)
Made-up citation: "Compared to big dogs, my rat terrier is a nanopooper--for which I am grateful. Thanks, Odin! You too, Thor."