plop

A sound or action like liquid hitting a hard surface, or an object falling into a body of water.

“He heard the plops of rain on the roof.”

Excrement; derived from the "plop" sound made when it hits water in a toilet.

To make the sound of an object dropping into a body of liquid.

To land heavily or loosely.

“He plopped down on the sofa to watch TV.”

To defecate; derived from the "plop" sound made when excrement hits water in a toilet.