hopped-up vs stoned

hopped-up and stoned both are adjectives.

Word	Noun	Adjective	Verb	Adverb
hopped-up	No	Yes	No	No
stoned	No	Yes	No	No

As adjectives, hopped-up and stoned are synonyms defined as:

hopped-up and stoned: under the influence of narcotics, especially cannabis

hopped-up (adjective)	stoned (adjective)
under the influence of narcotics, especially cannabis	under the influence of narcotics, especially cannabis
(of an automobile) having the engine modified to give extra power