thorn in side

(redirected from thorn in flesh)

*thorn in someone's side

 and *thorn in someone's flesh
Fig. a constant bother or annoyance to someone. (*Typically: be ~; become ~.) This problem is a thorn in my side. I wish I had a solution for it. John was a thorn in my flesh for years before I finally got rid of him.
See also: side, thorn