give your head a wobble

give your head a wobble

1. (UK, colloquial) Think again; an admonition to somebody who is behaving badly or saying something unacceptable.

   Synonym: have a word with yourself

   • 2020, Sophie Ranald, Thank You, Next:

     Give your head a wobble, Zoë, I told myself. You can't go around being broken-hearted because your heart isn't broken any more. That would be off-the-scale ridiculous.