'Do to death' is a phrase meaning to kill something or someone through excessive use, repetition, or criticism, often to the point of becoming uninteresting or boring. Synonyms for this phrase include 'overdo,' 'beat to death,' 'run into the ground,' 'exhaust,' and 'flog a dead horse.' These are all colorful expressions that can be used in a variety of contexts, whether it's describing a tired joke or a played-out marketing strategy. Using these synonyms can help you add variety and originality to your writing while still conveying the same basic idea of something having been done to death.