shrugged
v. B2 Upper Intermediate US //ˈʃɹəɡd// UK //ʃɹˈʌɡd// shrugged
v. raised your shoulders to show that you do not know something or do not care about it.
v. past tense of 'shrug'; refers to the action of raising and lowering the shoulders to express doubt, indifference, or ignorance.
He shrugged when I asked him for the time.
When the teacher asked who had broken the window, the students simply shrugged and looked away.
The diplomat merely shrugged at the accusations, maintaining a mask of indifference that frustrated the gathered journalists seeking a more substantial response.
Usage
The verb is often used intransitively, but can take a direct object in the phrase 'shrugged his/her shoulders'.