1
general::
Phrase(s): hopped up
1. Sl. intoxicated with drugs or alcohol; stimulated by drugs or alcohol. • The old man was hopped up again. He was addicted to opium. • John usually gets hopped up on the weekends. 2. Inf. excited; enthusiastic. • What are you hopped up about now? You’re certainly cheery. • I always get hopped up when I think of mountain climbing.
McGrawhill's American Idioms And Phrasal Verbs
2
general::
1. Relating to a motor, especially a car engine, whose power has been increased. For example, Kids loved to ride around in hopped-up cars. [Slang; mid-1900s] Also see SOUP UP. 2. Stimulated with, or as if with, a narcotic. For example, Their idea of a good time is to get all hopped up on marijuana or worse. This slangy usage dates from the 1920s but may be related to the late 19th-century use of the noun hop for a narcotic, especially opium.
American Heritage Idioms