1. mod. high on methamphetamine. She is so amped that she could fly!
2. mod. excited. Don’t get so amped! Chill!
3. mod. angry. I got so amped, I nearly hit him.
n. amphetamines. (Drugs.) I never do any drugs except maybe a few amps now and then, and the odd downer, and maybe a little grass on weekends, but nothing really hard.