have a burr under (one's) saddle
To experience intense and persistent annoyance or irritation. Everybody who lives on this side of town has a burr under their saddle, thanks to the traffic delays from construction of the new inter-city tramline. After experiencing so much turbulence on her flight, Liz really had a burr under her saddle when she arrived in town.
have a burr under one's saddle
Rur. to be irritated by something. Joe has a burr under his saddle because Jane's going out with Bill tonight. Mary must have a burr under her saddle. She's been snapping at me all day.