thirteenth reason why

1.
USUKinformalcolloquial
- An additional reason appended to a list of reasons, often implying an extra, final, or unexpected cause beyond those already given.
- A facetious or rhetorical way to introduce one more argument or justification after many others have been stated.
2.
USUKinformalhumorous
- A trivial, obscure, or contrived reason offered as if it were one more significant explanation among many.

Examples:

No examples available.