plop
US /plɑːp/
UK /plɑːp/

1.
plusk, łomot
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.
Kamień wpadł do stawu z cichym pluskiem.
•
There was a sudden plop as the fruit dropped from the tree.
Nagle rozległ się plusk, gdy owoc spadł z drzewa.