ROOFIES Meaning of ROOFIES in English roof ‧ ies /ˈruːfiz $ ˈruːf-,ˈrʊf-/ BrE AmE noun [plural] informal an illegal drug that is sometimes used to make someone unconscious so they can be ↑ rape d Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012