Put it at the end of a short confrontation, right after the accusation lands, so it acts as the reply. Follow it with a light laugh or a forgiving response, and keep it as the final word in a chat screenshot edit rather than opening with it.
About this sound
This is a short Arabic voice clip, just under ten seconds long, built around the repeated phrase 'Ra7men ya ra7men hetha 3abdek', spoken as a direct appeal for mercy. It feels earnest and overblown at the same time, like someone throwing themselves on another person's kindness with complete seriousness. That mix makes it land as a dramatic, slightly theatrical plea rather than a casual joke.