Slang used all the time by Everyone
n. • Used to refer to someone stupid, though not always used as an insult.
“Che pelotudo, ¿vamos al kiosco?” “¿Sos un pelotudo? ¡Reparalo ahora!”
“Hey bro, wanna go to the kiosk?” “Are you an idiot? Repair it now!”
7 out of 8 Spanish, Castilian speakers have heard this