be (out) in left field
To be or seem uncommon, unpopular, or otherwise strange. Well, that suggestion is certainly out in left field! How did you come up with that one? Sure, my aunt is really wacky and out in left field, but I love her! Only you could come up with an idea that's both totally out in left field and totally workable.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.