The dictionary includes more than 15,000 words and set phrases related to different stylistic and social layers of living Russian colloquial speech. Many of them have not been included in general explanatory dictionaries or have been considered incompletely. All dictionary entries are richly illustrated with examples: oral statements, quotations from fiction, popular journalism, the Internet and urban folklore. In addition to detailed explanations, the dictionary provides grammatical and stylistic notes that allow you to determine the normative use of words and set phrases in various speech situations. The dictionary is intended for a wide range of readers.