to be fair, as it slid from here to [some much lower price] it would feel very much like inflationary fiat, as far as price of goods and services denominated in usd goes. everything would be "getting more expensive".
in reality, a pure money, with its value defined by the market, will never have a fixed price in another unit of account ("stops appreciating" / "stops dropping"). ...but 1 bitcoin = 1 bitcoin..