Have a leg to stand on.
[Idiom] HAVE A LEG TO STAND ON. - Idioms for Asserting Validity
Justifiable position or argument.
To "have a leg to stand on" means to have substantial support for one's position or argument. In discussions or debates, this expression is often used to highlight the strength or validity of one's point of view. It portrays the image of a stable and balanced stance, much like having a solid physical foundation that can support weight without crumbling.
Example Sentences
He simply doesn't have a leg to stand on in this argument.
He has no valid evidence or support to back up his argument.
Their accusations had no evidence; they had no leg to stand on.
Their claims lacked evidence, rendering their accusations baseless.
In the debate, it became clear that without actual data, their argument had no leg to stand on.
Without concrete data, their stance in the debate is weak and unsupported.