I. ˈpep noun
( -s )
Etymology: short for pepper (I)
: brisk energy or initiative usually accompanied by high spirits : animated activity : liveliness , dash , go
a progressive tiredness and malaise, a loss of pep , an inability to work effectively — H.C.Hopps
II. transitive verb
( pepped ; pepped ; pepping ; peps )
: to inject pep into : quicken or stimulate to greater alertness or brightness — usually used with up