"Zing!"
'zing' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for pep that I've seen before include "Palindrome for vigour" , "Palindromic vim and vigour" , "Energy, liveliness" , "Ginger; tax-free investment" , "Palindrome for vitality or energy" .)
'zing' is the definition.
(I know that zing can be written as oomph)
This is all the clue.
(Other definitions for oomph that I've seen before include "vital quality" , "drive" , "Go" , "Dynamism" , "15 [SEXINESS]" .)