Which condition might indicate public drunkenness?

A condition indicating public drunkenness can manifest in various ways, and all the options presented describe behaviors that are commonly associated with intoxication in public settings.

Boisterousness refers to a noisy, energetic, and often uncontrolled manner, which can suggest that an individual is under the influence of alcohol and unable to regulate their behavior.

An indecent condition implies a lack of modesty or decency in behavior or appearance, which may also result from substance abuse.

Using vulgar, profane, loud, or unbecoming language is a strong indicator of intoxication, as individuals who are drunk often lose their inhibitions and may express themselves in ways that are socially unacceptable.

Since each of these conditions can be indicative of public drunkenness, the most comprehensive answer is that all of the mentioned behaviors together could signal that a person is intoxicated in a public environment.