nagedasu
1.

To discard or throw away something carelessly, as if it were no longer valued or important, often indicating a lack of concern for where it lands or how it is positioned.

2.

To relinquish or give up ownership of one's important possessions or rights, often with a sense of selflessness or sacrifice for the benefit of others.

3.

To abandon an effort or endeavor midway, indicating a decision to stop trying and to leave something unfinished or unresolved.

4.

To place or position oneself in a casual or nonchalant manner, such as extending one's legs while sitting, which conveys a relaxed or informal attitude.

Example:

運転手は運転台からもんどり打って投げ出された。