Pep

From Rap Dictionary

noun

pep

1. Pepa from Salt N Pepa. Well let me bring you back to the subject, Pep's on the set, make you get hot, make you work up a sweat -- Salt N Pepa (Shoop) [1]
2. Energy. Put the pep in your step, the stride in your glide -- EPMD (Let the Funk Flow) [2]

verb

pep

To beat someone up. I'm ready to pep ya.