がっちりgatchiri
1.

Describing a state of being physically strong and well-formed, often used to refer to a sturdy body or structure that conveys a sense of stability and reliability.

2.

Indicating a tightly knit or well-organized manner of action, suggesting that there is no waste or looseness, and everything is executed with precision and intent.

3.

Reflecting a mindset or approach that is meticulous and shrewd, often associated with someone who is savvy in managing resources or securing advantages without leaving anything to chance.