Comes from Finnish military slang. Combination of "rynnäkkökivääri" (finnish word for assault rifle) and Winchester (US rifle brand). Used to refer to a standard issue infantry assault rifles, most commonly RK62 or RK95 manufactured by Valmet and Sako. Similar word is the word "rynkky", which is a contraction of "rynnäkkökivääri".
Where is my rynchester? (cause of major panic, and if not found immediately then a major crisis, search operation and possibly legal action)
by WhatsMyPseudonym? August 10, 2021