First Known Use: 1945
Dictionary
benny
noun ben·ny \ˈbe-nē\
plural bennies
Definition of BENNY
1
slang : amphetamine
2
slang : a tablet of amphetamine taken as a stimulant
Origin of BENNY
Benzedrine + -ie
Medical Dictionary
benny
noun ben·ny \ˈben-ē\
plural bennies
Medical Definition of BENNY
slang : a tablet of amphetamine taken as a stimulant
Seen & Heard
What made you want to look up benny? Please tell us where you read or heard it (including the quote, if possible).