go weak at the knees

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go weak at the knees

To become unsteady or flustered due to a strong emotional reaction to someone or something. Hearing the news of my father's sudden death, I went weak at the knees and could barely remain standing. Just thinking about Samantha makes me go weak at the knees.
See also: go, knee, weak
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

be/go ˌweak at the ˈknees

(informal) be/become weak because of illness, strong emotion, etc: He felt dizzy and a bit weak at the knees.Her smile made me go weak at the knees (= with nervousness, love, etc.). ▶ ˌweak-ˈkneed adj. not brave or determined
See also: go, knee, weak
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
A movie source said: "When Lucy's around, Henry goes weak at the knees, like Superman has had a dose of kryptonite."
PIERCE Brosnan has revealed he still goes weak at the knees for his wife of more than a decade.
Now there are extraordinary claims he goes weak at the knees as a "groupie" of a brutal African dictator.
Every woman goes weak at the knees if you introduce yourself as Fabio.
She has a real go at him but when he turns on the charm and introduces himself as a supplier to Home Farm, she goes weak at the knees.
Do you know that when a woman wears a leather dress, a man's heart beats quicker, his throat gets dry, he goes weak at the knees, and he begins to think irrationally?
ELLOW professionals voted him The Man Of Steel and for 20 years he consistently showed a courage beyond his stature in the bruising world of rug by , but when it comes to hosting his own chat show Jonathan Davies goes weak at the knees. Living legend Davies who stands alone in world rugby as the only player ever to be labelled a genius with an unique talent in both league and union, admits to being anxious about filming the new series of S4C's Jonathan.
THE STRANGLER SINGING diva Mariah Carey, 42, makes sure rapper and producer husband Nick Cannon, 31, goes weak at the knees whenever he is with her - by cutting off the blood supply to his head.
"I don't understand why Alex Salmond hugs him so close, other than the way he goes weak at the knees for powerful men."
Yet, despite his success, he has admitted he goes weak at the knees when he meets the celebrities.
Cheeky Mama goes weak at the knees watching her daughters - count yourself lucky.