noun, masculine/pepeˈɾet͡ʃo/plural: peperechos
promiscuous person (Having many sexual partners.); prostitute
“Esa chica es una peperecha porque anda con tres chicos a la vez.” — That girl is a promiscuous person (slut) because she's dating three guys at the same time.
Synonyms: promiscuo, mujeriego, hombreriega, prostituta
From peperecha, a type of sweet bun.