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Stimulated; made to be or feel more awake, alert, and energetic. Hyphenated if used before a noun. I just can't focus until I get pepped up with a bit of coffee in the morning. The officer suspected that the pepped-up truck driver might have been high on amphetamines.
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.
See pepped up
See also: pep
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.