The term appears to be a compound search query comprised of three distinct concepts: (privacy/search), Quack (a common association with ducks or dubious software), Prep (preparation), and CPM (Cost Per Mille/Marketing).
I’m unable to find any verified or meaningful information associated with the exact phrase . It does not correspond to any known product, service, brand, software, or content release I can confirm. duckquackprepcpm exclusive
DuckDuckGo is the leading privacy-focused search engine. Unlike Google or Bing, it does not track user search history or create user profiles. The term appears to be a compound search