have a burr under saddle

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.
See also: burr, have, saddle
Farlex Dictionary of Idioms.

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.
See also: burr, have, saddle
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • a burr in (one's) saddle
  • a burr under (one's) saddle
  • a burr under your saddle
  • be a thorn in (one's) side
  • be a thorn in your flesh/side
  • a thorn in (one's) side
  • a thorn in someone's side
  • a thorn in your side
  • be a thorn in (one's) flesh
  • become a thorn in (one's) flesh