new one

that's a new one

That is something I haven't heard before. Usually in reference to an unusual excuse or explanation, often said sarcastically or ironically. She said she couldn't turn in her assignment because her parakeet flew off with it out the window? Well, that's a new one. That's a new one—I've never heard of someone asking not to be paid for their overtime work before.See also: new, one

new one

see under that's one on me. See also: new, one