めちゃくちゃ滅茶苦茶mechakuchaメチャクチャmechakucha
1.

A state of being completely illogical or lacking any coherent reasoning, often resulting in conversations or arguments that make little to no sense.

2.

An extreme level of chaos or disorder, where situations or places are thrown into disarray, causing significant destruction or confusion.

3.

A condition characterized by overwhelming confusion or turmoil, where communication or interactions break down completely, leading to chaotic outcomes.

Example:

オラ気分が良くなったで。でもよ、おとうさんに滅茶苦茶怒られちまうと思うべさ。