[ verb ] trouble or vex
"ruffle somebody's composure"
Used in print(Peter Wyden, "The Chances of Accidental War"...)
No question ruffles him or causes him to hesitate .
[ verb ] stir up (water) so as to form ripples
Used in print(E. Lucas Myers, "The Vindication of Dr. Nestor,"...)
The doctor , he noticed , was attempting a transverse movement towards the stairs , but before the movement could be completed a distinct and audible cluck ruffled the air in the hollow of the stair-well .
[ verb ] discompose
"This play is going to ruffle some people" "She has a way of ruffling feathers among her colleagues"