What is another word for doth a slow burn?
Pronunciation: [dʌθ ɐ slˈə͡ʊ bˈɜːn] (IPA) 
"Doth a slow burn" is an idiom used to describe a person who is gradually becoming more and more angry or frustrated over time. Some synonyms that could be used to convey this same meaning could include "simmering with rage," "fuming quietly," "seething with frustration," or "smoldering with resentment." These phrases all suggest an underlying anger or dissatisfaction that is slowly building up and will eventually need to be expressed. When someone "doth a slow burn," they may appear calm on the surface, but you can tell that something deeper is going on beneath the surface.
