1. 
[syn: amphetamine, pep pill, upper, speed]
WordNet (r) 3.0 (2006):
pep pill
    n 1: a central nervous system stimulant that increases energy
         and decreases appetite; used to treat narcolepsy and some
         forms of depression [syn: amphetamine, pep pill,
         upper, speed]
Moby Thesaurus II by Grady Ward, 1.0:
23 Moby Thesaurus words for "pep pill":
   Benzedrine, Benzedrine pill, C, Dexamyl, Dexamyl pill, Dexedrine,
   Dexedrine pill, Methedrine, amphetamine, amphetamine sulfate,
   cocaine, coke, crystal, dextroamphetamine sulfate, football, heart,
   jolly bean, methamphetamine hydrochloride, purple heart, snow,
   speed, stimulant, upper