pep talk definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a talk, as to an athletic team by its coach, designed to instill enthusiasm, determination, etc.
pep talk definition by American Heritage Dictionary
A speech of exhortation, as to a team or staff, meant to instill enthusiasm or bolster morale.