a red rag to a bull(redirected from red rag to a bull)
a red rag to a bull
A willfully infuriating or aggravating provocation; something that incites great anger or annoyance. An allusion to matadors' practice of waving red flags at a bull during a bullfight, though the color of the flag actually makes no difference to the animal. John's gone to gloat about his success over his brother, which is a red rag to a bull if I've ever seen one. You do realize that bringing your new girlfriend to your ex-wife's house is like a red rag to a bull, right?
a red rag to a bullBRITISH or
a red flag before a bullAMERICAN
If something always makes a particular person very angry, you can say that it is like a red rag to a bull or a red flag before a bull. This sort of information is like a red rag to a bull for the tobacco companies but it really needs to be exposed. It's a red rag to a bull when my son won't admit that he's wrong. Compare with a red flag.