serotonin boost
/ˌsɛrəˈtoʊnɪn buːst/
CommonSomething that instantly improves your mood, described using brain chemistry as the metaphor.
The brain chemistry framing is metaphorical and casual, not clinical. Using it does not imply literal neuroscience knowledge.
Real-world examples4 examples
| # | Example | What it means | Source |
|---|---|---|---|
| 01 | this video of the baby laughing is an instant serotonin boost I'm not ok | The video made the person feel happy in an overwhelming way. | tiktok, 2024 |
| 02 | serotonin boost for your monday morning, you're welcome | Sharing something pleasant at the start of the week as a mood gift. | instagram, 2023 |
| 03 | my cat sat on my lap for 20 minutes. that was my serotonin boost for the day. | A small affectionate moment was enough to genuinely improve their day. | x, 2024 |
| 04 | these golden retriever videos are like a serotonin boost in video form | Watching the videos reliably and immediately improves mood. | reddit, 2023 |
Use it when
- Something small but delightful unexpectedly improves your mood.
- Sharing content and signaling that it made you feel good.
- Describing the emotional effect of a cute or pleasant thing.
- Recommending something to a friend who needs cheering up.
Do not use it when
- You are talking about clinical depression or actual brain chemistry.
- The content is funny but did not specifically make you feel warm.
Origin and context
Emerged as wellness and mental health vocabulary blended into casual internet language. The clinical term 'serotonin' became widely used in pop-psychology contexts around 2018 to 2020, and the phrase migrated to social media as a mood descriptor.
- First seen
- late-2010s
- Confidence
- medium
Cite this page
Use this stable URL to reference the entry.
https://slang.fyi/serotonin-boostUpdated: 2026-08-29License: CC BY 4.0