hopped-up

the term 'hopped-up' is a vivid american slang formation from the early 20th century. it literally combines the past tense of the verb 'hop', suggesting a state of being jolted or made to jump, with the particle 'up', intensifying the sense of elevation or agitation. its initial use described engines modified for greater speed, metaphorically transferring the idea of forced, excited motion. this logic was then extended to describe a person artificially stimulated, either by drugs or intense excitement, completing the journey from a literal mechanical description to a figurative psychological state.

Structure: hop (to jump) + ped (past tense suffix) + up (upward direction) hop (old english hoppian, meaning to leap or spring; functional role: verb root). ped (latin-derived suffix, here representing the past tense/past participle form -ed; functional role: inflectional suffix). up (old english up, upp, meaning upward, aloft; functional role: adverbial particle).