thorn in side(redirected from a thorn in flesh)
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thorn in (one's) side
A constant or persistent cause of annoyance, frustration, or trouble. My professor was an environmental activist when he was younger, and, apparently, he was quite a thorn in the oil companies' sides at the time. My little brother is such a thorn in my side—he always wants to do stuff with me, especially when I'm trying to hang out with my friends.
*thorn in someone's sideand *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.
thorn in the flesh/one's side, a
A source of constant irritation. This expression appears in several books of the Bible; in the Book of Judges (2:3) it refers to enemies who “shall be as thorns in your sides,” and in the New Testament Paul refers to his infirmities as “given to me a thorn in the flesh” (2 Corinthians 12:7). The term remains current.