Ploop is the sound as well as the action.
Poop, and makes a sound when it hits the water, is ploop. it reflects the sound as well as what it is and what was done.
Synonyms for ploop
On this page, you will find 30 slang terms related to ploop. Some of the top words include: bubbaloosh, plop, ploop, Kerplunk, space food, and 25 more.