plop
US /plɑːp/
UK /plɑːp/

1.
tonfo, caduta
a sound of something falling or dropping heavily into liquid or onto a soft surface
:
•
The stone fell into the pond with a soft plop.
La pietra cadde nello stagno con un leggero tonfo.
•
There was a sudden plop as the fruit dropped from the tree.
Ci fu un improvviso tonfo quando il frutto cadde dall'albero.