any of various pills or tablets containing a stimulant, esp. amphetamine
pep pill in American English
noun
a pill, tablet, or capsule that contains a stimulant drug, esp. amphetamine
Word origin
[1935–40, Amer.]This word is first recorded in the period 1935–40. Other words that entered Englishat around the same time include: Rhodesian ridgeback, blitz, fluorocarbon, gangbuster, unit trust
Examples of 'pep pill' in a sentence
pep pill
While making films, she developed an addiction to “pep pills” supplied by the studio and her behavior became erratic.
2019, 'Thank This World War II Era Film Star for Your Wi-Fi', Smithsonianhttps://www.smithsonianmag.com/smithsonian-institution/thank-world-war-ii-era-film-star-your-wi-fi-180971584/
Another reason why pep pills are all the rage is because tiredness is so common.