An expletive used in response to another person attempting a 'mansplanation' of the difference between ASTROLOGY and ASTRONOMY. Frequently used to interrupt long supercilious diatribes on science, the occult, and the distinctions between them, .
T: "You know, there is a big difference between astrology and astronomy! Star signs are part of astrology. Astronomy is..."
M interrupting: "Astrology, astronomy - what is the difference?"
T: "There is a big difference. Astronomy is based on science. Astrology and star signs is not but rather..."
M shouting: "ASTRO-NINNY!" End of the conversation.}
The state of semi-consciousness where one is alternately reading and napping. The person sleep-reading typically has only slight responsiveness to external stimulation or provocation owing to either their sleep state or to their pre-occupation with their reading.
When dad was sleep-reading on the couch, I was able to sneak up and put play-doh in his ears.