neither fish nor fowl Something or someone that does not belong to a definite group or known class; a strange person or thing; someone or something odd or hard to understand.
The man is neither fish nor fowl; he votes Democrat or Republican according to which will do him the most good. Mrs. Harris bought a piece of furniture that was both a table and a chair. Mr. Harris said it was neither fish nor fowl. The movie is neither fish nor fowl; it is a funny love story. [TahlilGaran] English Idioms Dictionary ▲