noun. As with the neanderwhatever and neandermabob, fossil evidence is insufficient to provide a proper definition.
Real citation: “Peggy Day, Mosholu, thankyou for your points. I empathathise with Peggy, and I realise what a neanderwhatsit I was to overlook the booze factor, Mosholu.”
(April 19, 2007, Expecting Rain, http://220.127.116.11/search?q=cache:yF2pHU4QPCEJ:expectingrain.com/discussions/viewtopic.php%3Fp%3D305913%26highlight%3D%26sid%3Db538ee1d62af7bc1565b45331954a456+neanderwhatsit&hl=en&ct=clnk&cd=1&gl=us)
Made-up citation: “A lost proverb of the neanderwhatsit people: You can go apeshit about stepping in dogshit, but you can’t go dogshit about stepping in apeshit.”