ruffle feathers

: roughen, abrade

: trouble, vex

: to erect in or like a ruff : to cause to rise or bristle

: commotion, brawl

: a state or cause of irritation

: a strip of fabric gathered or pleated on one edge

: a low vibrating drumbeat less loud than a roll

: any of the light, horny, epidermal outgrowths that form the external covering of the body of birds

: plume

: the vane of an arrow

: to furnish (something, such as an arrow) with a feather

: to cover, clothe, or adorn with or as if with feathers

: to turn (an oar blade) almost horizontal when lifting from the water at the end of a stroke to reduce air resistance