pillock
/ˈpɪlək
/noun British informal
A stupid person: a complete pillock!...
- By choice l looked like a complete pillock for two years.
- Thankfully, nobody else seems to think it necessary to remind me that I'm a complete pillock.
- The problem with living in a democracy is that sometimes a complete pillock gets elected to high office because more people disagree with you than agree with you and there ain't a damned thing you can do about it.
Origin
Mid 16th century: variant of archaic pillicock 'penis', the early sense of pillock in northern English.