verb
shrugs; shrugged; shrugging
to raise and lower your shoulders usually to show that you do not know or care about something [no obj]
shrug off
[phrasal verb]
shrug off (something) or shrug (something) off
to think of or treat (something) as not important :to pay no attention to (something)
to take off (a piece of clothing) by moving your shoulders back and forth
US