From Rap Dictionary
- 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) 
- Energy. Put the pep in your step, the stride in your glide -- EPMD (Let the Funk Flow) 
To beat someone up. I'm ready to pep ya.