no-tell motel
/ˈnəʊˌtɛl ˈməʊˌtɛl/ /ˈnɛʊˌtɛl məˈtɛl/(also no-tel motel) US slang
noun
A motel which is used for illicit assignations between lovers; a disreputable, cheap, or run-down motel.
Origin
1960s; earliest use found in The New York Times. From no + tell + motel.