out in left field—(also: way out in left field)
1. (of a person) unusual and eccentric or out of contact with reality:
- Sally is a lot of fun, but she’s sort of out in left field.
2. (of an idea, answer, etc.) mistaken, strange and illogical:
- What he said was totally out in left field. He has no idea what we were talking about.
out in the field—on the warpath; ready for a fight or quarrel:
- I should keep away from there; her father is out in the field looking for trouble.