shake one's head

Idioms  

1. Express disapproval, dissent, or doubt, as in That announcement had us shaking our heads in dismay. This expression, which can be used both literally (for moving one's head from side to side) and figuratively, dates from about 1300.

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Example Sentences

In its review, the Guardian said the second series "raised the bar so utterly that at times Waller-Bridge's risks and progression were so impressive all one could do was shake one's head in appreciation".

From BBC • Apr. 8, 2019

Looking at the list, one has to shake one’s head.

From New York Times • Oct. 27, 2015

I shook my head to indicate "nothing;" but in Tartary, to shake one's head means consent.

From Told by the Death's Head A Romantic Tale by J?kai, M?r