go weak in the knees

go weak in the knees

To become unsteady or flustered due to having a strong emotional reaction to someone or something. Hearing the news of my father's sudden death, I went weak in the knees and could barely remain standing. Just thinking about Samantha makes me go weak in the knees. I went weak in the knees when I saw my wife at the end of the aisle on our wedding day.
See also: go, knee, weak
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.
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