"Pours on" is a phrase commonly used to describe excessive action or behavior. Antonyms for this phrase could be "holds back", "restrains", "moderates", or "limits". These words imply a sense of self-control and measured action, in contrast to the impulsive and unrestrained nature of "pours on". Other antonyms could include "stops", "halts", or "pauses", suggesting a complete cessation of any action or behavior. Ultimately, the choice of antonym depends on the context in which "pours on" is used, and the desired tone or implication the writer wishes to convey.