This is the 1499th most frequent Catalan word.
pep
The Catalan word "pep" is a common diminutive or nickname for the name Josep (Joseph).
Here, 'Pep' is used as a proper noun, which is a common shortened form of the given name 'Josep' in Catalan.
En Pep treballa com a enginyer.
Pep works as an engineer.
In this context, 'pep' is used as a descriptive noun for a short, sharp sound, similar to a 'bing' in the sound of a bell.
Sento un soroll, sembla el pep d'una campana.
I hear a noise; it sounds like the ringing of a bell.
Here, 'pep' refers to energy or enthusiasm, translated as 'lively boost' in English.