One loaf shy of a sandwich
An old Alaskan fisherman saying that makes little to no sense due to the fact that it doesn't take a full loaf of bread to make a sandwich.
Alaskan fisherman: That guy's one loaf shy of a sandwich.
Alaskan fisherman's friend: That doesn't make much sense, man.
Alaskan fisherman's friend: That doesn't make much sense, man.