Verb – Shrug
to raise and lower your shoulders usually to show that you do not know or care about something
(no object)
I asked if he wanted to go out to dinner, and he just shrugged.
(+ object)
He just shrugged his shoulders.
— shrug noun, plural shrugs (count)
The suggestion was met with nothing but shrugs.
She answered me with a shrug of the/her shoulders.