Definition:
The verb "flump down" means to fall heavily or to drop down onto a surface in a way that suggests you are tired or don’t care about how you land. It's often used to describe a person sitting or lying down suddenly and with a bit of noise.
In more advanced contexts, "flump down" can also convey a sense of exhaustion or a lack of energy. It can be used metaphorically to describe things that are not just physical falls, but also emotional or mental 'falls' into a state of tiredness or defeat.
While "flump down" primarily means to fall heavily, "flump" can also refer to a soft, heavy sound or motion. However, it is not commonly used in many different contexts outside of this meaning.
Plop down: Similar in meaning; often used when sitting down heavily.
Crash down: Often used to describe something falling suddenly and noisily.
"Flump down" is a vivid way to describe the action of falling or sitting down heavily. It conveys a sense of tiredness or a lack of care about how one lands.