What is another word for piling it on?
Pronunciation: [pˈa͡ɪlɪŋ ɪt ˈɒn] (IPA) 
The phrase "piling it on" is often used to describe a situation where someone is adding too much to an already difficult or stressful situation. Synonyms for this phrase include "overloading," "burdening," "overburdening," "overwhelming," and "excessive." Other similar phrases include "heaping on," "throwing on," "loading up," and "adding insult to injury." All of these expressions convey the idea of adding too much, or going too far, and emphasize the negative consequences of this behavior. It's important to be mindful of how much we add to already challenging situations to avoid making things worse.
