thorn in the flesh

A constant or persistent cause of annoyance, frustration, or trouble. My little brother is such a thorn in the flesh—he always wants to do stuff with me, especially when I'm trying to hang out with my friends.

Common Names:

Name	Pronounced	Usage
Trey	TRAY	English
VerÓNica	be-RO-nee-kah	Spanish
Dobromil	-	Czech (Rare), Medieval Slavic
Richie	RICH-ee	English
Kaeden	KAY-dən	English (Modern)
Ieronimus	-	Late Roman