ruffle someone's feathers
Definition from Wiktionary, the free dictionary
- (idiomatic) To unease, cause discomfort to someone
2012 August 23, Alasdair Lamont, “Hearts 0-1 Liverpool”, in BBC Sport:
- Sutton and David Templeton both had efforts just off target as Hearts' tactics of high-tempo, pressing football ruffled the English side's feathers.