potwalloper
/ˈpɒtˌwɒləpə/(also pot-walloper)
noun
1= potwaller. Now historical.
2 Derogatory. A fool.
3 US slang. A cook, especially on a ship; a kitchen worker, a person engaged in menial work.
Origin
Mid 18th century. Alteration of potwaller, after wallop; compare earlier pot-walloner. In sense 2 punningly after pot and wallop.