NEITHER FISH, FLESH, 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./