a fat lot of good, use, etc.
idiomPart offat
a fat lot of good, use, etc. — idiom
1. This phrase means something is completely useless or not helpful at all.
1.idiom
Definition
This phrase means something is completely useless or not helpful at all.
Example
His advice was a fat lot of good when my computer crashed.
A fat lot of use that map is now that we are lost.