If someone appears in a public place in Texas while intoxicated to the degree that they may endanger themselves or another, it is known as:

In Texas, if someone appears in a public place while intoxicated to the degree that they may endanger themselves or others, it is known as public intoxication. This term specifically refers to the situation where someone's level of intoxication poses a danger in a public setting. It is important to recognize and address public intoxication to ensure the safety and well-being of individuals in public spaces.

The other options are not correct:

A. Private celebration: This term does not capture the potential danger or public nature of the situation described in the question. B. Quiet enjoyment: This term refers to a legal concept related to the right of tenants to enjoy their rented premises without interference. It is not relevant to the scenario presented in the question. D. Social gathering: While public intoxication may occur at a social gathering, this term is too broad and does not specifically address the legal implications of appearing intoxicated in a public place as described in the question.