Place it as the payoff at the end of a short fail sequence, after the setup has made the mess clear. Follow it with the Classic Fart Sound Effect for a second beat, or lead into it with the SpongeBob Fail Sound Effect so the audience already expects a disaster.
About this sound
This is a roughly two-second poop effect built around a wet, exaggerated bathroom noise, not a lifelike recording. It feels silly and crude in a light-hearted way, giving listeners an immediate lowbrow laugh with no setup needed. It belongs to the broad family of generic internet bathroom gags, rather than coming from one film, show or character.