weak at the knees
idiomPart ofknee
weak at the knees — idiom
1. feeling emotionally overwhelmed, extremely nervous, or physically faint, as if y
1.idiom
Definition
feeling emotionally overwhelmed, extremely nervous, or physically faint, as if your legs cannot support you
Example
Gabriel went weak at the knees when he saw the exam results.
The smell of freshly baked bread makes me weak at the knees.