village idiot 
noun chiefly humorous
A person of very low intelligence resident in a village.I remember it had a village green with a village idiot sitting there....
- He turns out to be the clown (almost the village idiot, frankly) of the evening.
- At first, they pick on a village idiot, with the mental age of a child, and when that doesn't work, pick on someone else and then someone else.
- congenially
- congenital
- congenitally
- conger
- conger eel
- congeries
- congest
- congested
- congestion
- congestion charge
- congestion-charging
- congestive
- congestive heart failure
- congius
- conglobulate
- conglomerate
- conglomeration
- Congo
- Congo, Democratic Republic of
- Congolese
- Congo red
- congrats
- congratulate
- congratulation
- congratulator