Also found in: Medical.
1. Very energetic, as if (or literally) through drug use. I woke up feeling awful, and if I hadn't been hopped up on cold medicine, I wouldn't have gotten a thing done today. If the kids are all hopped up on sugar, they'll be running around all day long.
2. Excited. Oh, he's just hopped up about this new video game he got.
3. Faster or more powerful than normal, as of a car that's had such alterations made to it. I can't drive your hopped up car—I can barely handle mom's minivan!
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.
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.
1. mod. stimulated by drugs. (Drugs.) Two hopped up kids were hunkered down in the alley.
2. mod. [of a car] customized and speeded up. As soon as I get this hog hopped up, you’ll see some real speed.
3. mod. excited. Paul is certainly hopped up about something.