Hanoi Hilton

== English == === Etymology === From Hanoi +‎ Hilton. An alliterative construction, pairing the location Hanoi (metonymically referring to North Vietnam) with a word referring to lodgings. An ironic reference to the Hilton chain of luxury hotels. === Proper noun === the Hanoi Hilton (US, military, slang, historical, euphemistic) Hỏa Lò Prison in Vietnam, where prisoners of war were held and tortured.