Decoding “Năm Số 9” and “Năm Số 1”: Uncovering the Untapped Potential of Social Slang

With over 1.1 million discussions and 53 million views across social platforms, “Năm Số 9” (“Year of Cleansing”) has emerged as one of the most viral social slang of 2025. Commonly associated with online drama and emotional turbulence, it’s often used by netizens to explain or react to any chaotic event—especially in entertainment. However, Buzzmetrics’ data reveals a deeper, more nuanced story behind “Năm Số 9.” Beyond its “drama-laden” surface meaning, let’s uncover what lies beneath this social slang phenomenon.
1. Key Milestones of “Năm Số 9”

From the discussion timeline, Buzzmetrics identifies three major milestones for “Năm Số 9.” The first milestone was in January 2024, when users started sharing the concept of “Năm Số 9” while preparing for the new year. The second milestone came in July 2025, as people summed up the year’s first-half dramas. The next milestone was in September 2025, when social media was flooded with “reflection,” “cleansing,” and “closure” posts. Many users interpreted September as the symbolic end of “Năm Số 9.” Between these milestones, discussions were kept alive mainly by ongoing online dramas.
It’s clear that “Năm Số 9” is a social slang heavily shaped by online dramas, accounting for 84% of total discussions. Every social media scandal—especially in the entertainment scene—was humorously explained by users through “Năm Số 9” or “Năm Thanh Lọc” (“Year of Cleansing”)

Compared to other social slang, “Năm Số 9” stands out for two main reasons:
- Diverse discussion peaks: While most slang terms usually peak within 24 hours of appearing and stay relevant for only a few weeks, “Năm Số 9” sustained attention across multiple moments throughout the year.
- High relatability: Its high relatability makes it easy for users to apply in any dramatic situation, using “Năm Số 9” as a playful explanation for chaos or misfortune.
2. Brands Still Outside the “Năm Số 9” Conversation

Despite its massive social footprint, brand participation remains minimal—less than 0.5% of total discussions, with only around 30 brands mentioning “Năm Số 9.” These figures are relatively low compared to “Joke of the Day,” another viral social slang from early 2025 that brands leveraged actively due to its flexible usage context. Because “Năm Số 9” is tied to drama, many brands remain cautious in using it. A few brands have referenced “Năm Số 9” in a more positive sense—linking it to mental or physical cleansing—but these efforts have yet to create significant media impact.
3. Cleansing in “Năm Số 9”, Planting Seeds in “Năm Số 1”
By October 2025, discussions around “Năm Số 9” began to cool down, while conversations about “Năm Số 1” (“Year of New Beginnings”) started to surge. If “Năm Số 9” represents a year of cleansing, “Năm Số 1” is seen as a year of planting seeds—symbolizing new beginnings and hope for growth. So, how does “Năm Số 1” differ in its discussion themes, and how can brands make use of it?

Unlike “Năm Số 9,” discussions about “Năm Số 1” revolve around positive and reflective narratives—messages of optimism, self-growth, and new goals. It’s a social slang dominated by affirmations, gratitude, peace, and emotional healing, making it a strong base for brands to convey inspirational messages.
In other words, if “Năm Số 9” tells a story of “reaping what you sow,” then “Năm Số 1” represents healing and renewal. Through “Năm Số 1,” social users reflect on their past journey, express gratitude, and spread belief in a better new phase ahead.

High-frequency keywords reinforce this positive tone—users repeatedly mention “ending,” “cycle,” “beginning,” “growth,” “gratitude,” “strength,” “peace,” and “love.” These words often accompany “Năm Số 1” in blessings and motivational posts.
So, how can brands leverage “Năm Số 1”? There are two main directions for brands to explore:
- Inspire Transformation: Turn “Năm Số 1” into a message about maturity, letting go of the old to start anew. Brands can even connect it with “Năm Số 9” to form a contrasting storytelling flow. Interestingly, even as “Năm Số 9” cools down, some users still believe the “Year of Cleansing” isn’t truly over.
- Create a Sharing Space: Encourage users to tell their own “Năm Số 1” stories—personal journeys of change and growth—placing them at the center of the brand narrative.
4. Conclusion
The duo of “Năm Số 9” and “Năm Số 1” is a fascinating social media phenomenon of 2025. The two Social Slang terms have an interesting correlation regarding:
- Discussion Evolution: As “Năm Số 9” showed signs of cooling down, interest in “Năm Số 1” surged.
- Contrasting Discussion Topics: While “Năm Số 9” is tied to social media drama, “Năm Số 1” is oriented towards healing and self-reflection.
It is highly likely that “Năm Số 1” will continue to receive user attention for an extended period and reappear in end-of-year review posts. This is a social slang that brands should pay attention to for their year-end communication content.
“Năm Số 9” marks the end of a turbulent chapter, while “Năm Số 1” opens a new beginning. Amid the ever-changing landscape of online language, each social slang reflects a deeper layer of consumer insight. Contact Buzzmetrics to access in-depth reports and analyses that help marketers better understand emerging trends, user behaviors, and the evolving language of social media.
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