ばったりbattariばたりbatariばったんbattan
1.

The sudden and unexpected occurrence of something falling or collapsing, often accompanied by a loud sound or impact.

2.

The chance encounter with someone in an unforeseen location or situation, often conveying a sense of surprise.

3.

The abrupt cessation of an ongoing situation or activity, marking a clear stop or change in continuity.

ikiaたりばったりtaribattariyukiaたりばったりtaribattari
1.

Acting without a set plan or strategy, relying on circumstances and spontaneity to determine the course of action.

2.

Proceeding through life or tasks in a way that lacks consistency or forethought, instead responding to situations as they arise.

3.

Making decisions on the spur of the moment, often resulting in unpredictable or chaotic outcomes due to the absence of prior organization.

Example:

行き当たりばったりの仕事をするな。