that's a 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
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

new one

see under that's one on me.
See also: new, one
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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