ruffle someone's feathers

US /ˈrʌf.əl ˈsʌm.wʌnz ˈfɛð.ərz/
UK /ˈrʌf.əl ˈsʌm.wʌnz ˈfɛð.ərz/
"ruffle someone's feathers" picture
1.

to annoy or upset someone

:
His blunt comments always ruffle someone's feathers.
Try not to ruffle her feathers before the big presentation.