add fuel to the fire

To do or say something to make an argument, problem, or bad situation worse; to further incense an already angry person or group of people. The debate was going poorly for the senatorial candidate, and his strikingly uncouth comments simply added fuel to the fire. Revelations of the CEO's massive retirement package added fuel to the fire for consumers already furious over the company's dubious financial dealings. Anything the mayor says will just add fuel to the fire, so do not let him speak to reporters about this sensitive issue.

add fuel to the flame(s)

To do or say something to make an argument, problem, or bad situation worse; to further incense an already angry person or group of people. The debate was going poorly for the senatorial candidate, and his strikingly uncouth comments simply added fuel to the flames. Revelations of the CEO's massive retirement package added fuel to the flame for consumers already furious over the company's dubious financial dealings. Anything the mayor says will just add fuel to the flames, so do not let him speak to reporters about this sensitive issue.

add ˌfuel to the ˈfire/ˈflames

do or say something which makes a difficult situation worse, or makes somebody even more angry, etc: She was already furious and his apologies and excuses only added fuel to the flames. OPPOSITE: pour oil on troubled water(s)

add fuel to the fire/flames, to

To exacerbate an already inflammatory situation, increasing anger or hostility. The Roman historian Livy used this turn of phrase (in Latin) nearly two thousand years ago, and it was repeated (in English) by numerous writers thereafter, among them John Milton (Samson Agonistes, 1671): “He’s gone, and who knows how he may report thy words by adding fuel to the flame.”