noun, masculine/penˈdexo/plural: pendejos
pendejo is masculine in Spanish.
pubic hair (a single hair growing in the pubic region); arsehole, asshole, stupid, idiot, dirtbag, scumbag (a contemptible person); dumbass (stupid person); young boy; punk (an adolescent who presumes to be an adult)
“¡Ya, güey! ¡Pinche pendejo, güey, ya! ¡Pinche vato! ¡Ya güey! ¡Ya güey, por favor, idiota! ¡Pinche pendejo idiota!” — Hey, dude! You fucking idiot, dude, stop! You fucking dude! Stop it, dude! Stop it, dude, please, you idiot! You fucking idiot!
Synonyms: idiota, gilipollas, boludo
Inherited from Vulgar Latin *pectinī̆culum, diminutive of Latin pecten (“pubic hair; comb”). The unexpected /nd/ may be due to the influence of pender (“hang down, dangle”). Compare Portuguese pentelho.