Pronunciation: ' rü-f ē
Function: noun
Etymology: probably by shortening & alteration from Rohypnol, a trademark name for the drug
Date: 1994
slang : a tablet of a powerful benzodiazepine sedative and hypnotic drug C 16 H 12 FN 3 O 3 that is not licensed for medical use in the U.S. but is used illicitly