💠fire-breathing

✍🏾(used as a modifier before a noun) Particularly ardent, vehement, or excoriating in speech or behavior. Likened to a dragon or other creature able to shoot streams of fire from its mouth.
Their fire-breathing boss had all the employees constantly on edge.
The fire-breathing politician was quite polarizing, but her fans were intensely loyal and supportive.
Idiom @bbcIEn