roughhead
/ˈrʌfhɛd/noun
1 Scottish and Irish English. A piece of low-grade peat or turf with the grass on it, used especially as fuel.
2An unkempt or unrefined person.
3 US. Either of two shiners (family Cyprinidae), small North American freshwater fishes: the common shiner, Luxilus (or Notropis) cornutus, and (more fully roughhead shiner) N. semperasper.
Origin
Mid 17th century; earliest use found in Inventory & Account Book Lord Buccleuch. From rough + head.