verb / noun
flop
FLAHP/flɑːp/
To fall heavily and without control.
The exhausted man flops onto the sofa, sinking into the cushions.

Etymology
Flop is probably a variant of flap suggesting a duller, heavier sound. Its sense of falling heavily developed into figurative collapse or complete failure.
In context
Excited animals dig holes with their hooves, flop down in the holes, and wallow in them trying to saturate their hair with the inviting perfume.
More examples
- She flopped onto the bed after the long hike.
- His arm flops over the edge of the chair.
- The tired dog lands on the rug with a flop.
Forms
flop · flops · flopped · flopping