neepery noun2 •(slang) Technological jargon.Technical neepery -- it is not necessary or desirable for rope to grip pulleys. — 2012 •(slang) Trivia or highly-detailed information, especially that which an author includes in a work of fiction as a result of research.Thank you, SF-FWs, bryant street, IAMTW, and novelscribes for various neepery and encouragement; […] — 2006