What is another word for show a red rag to a bull?
Pronunciation: [ʃˈə͡ʊ ɐ ɹˈɛd ɹˈaɡ tʊ ɐ bˈʊl] (IPA) 
The phrase "show a red rag to a bull" is commonly used to describe provoking someone to anger, often with disastrous consequences. There are many synonyms for this expression, including "poke the bear," "touch a raw nerve," and "play with fire." Each of these phrases highlights the dangerous nature of intentionally inciting anger or agitation in someone. Other synonyms might include "push someone's buttons," "rile them up," or "set them off." Regardless of the exact words used, it is clear that intentionally provoking others is a risky venture that can quickly spiral out of control.
