In the context of Indonesian slang (bahasa gaul), the term "911" functions as a noun. It is used to signify an emergency, a crisis, or any situation that requires immediate attention and action. This usage is a direct linguistic and cultural borrowing from the "9-1-1" emergency telephone number used in North America, where the number itself has become synonymous with the abstract concept of a critical incident.
The adoption of "911" into the slang lexicon is an instance of semantic extension, where a specific signifier (the phone number) evolves to represent a broader, generalized concept (an emergency). In grammatical application, it occupies the position of a noun. For example, a speaker might say, "Ada 911 di kantor," which translates to "There is an emergency (a '911') at the office." In this sentence structure, "911" serves as the object that names the situation, confirming its role as a noun.
This linguistic phenomenon demonstrates the influence of global media on informal language registers. By incorporating "911" as a noun, speakers have a concise and universally understood term (within the relevant social group) to communicate urgency. Its classification as a noun is based entirely on its function within a sentence: it names a state or event, rather than describing a quality (adjective) or denoting an action (verb).
