TikTokers are sharing some of their favorite songs in a new trend called "My 90 in a 30."

The odd combination of numbers and vague name is confusing many users, especially those who don't even drive or have a driver's license.

@lifewithliss #unthinkable #aliciakeys ♬ Un-thinkable (I'm Ready) – Alicia Keys

So, if you've scrolled through a video captioned, "My 90 in a 35," or, "This my 100 in a 30," we'll explain the context and how you can join the trend too.

Just remember, no actual speeding or driving is required. It’s all about having fun and sharing the vibe.

What Does 'My 90 In A 30 Trend' Mean On TikTok?

The "My 90 in a 30 Trend" is essentially about picking a song that makes you want to hop in a car and go full speed, shouting every lyric and feeling that comes with the music.

The name of the trend is just a way of expressing how some songs make you feel like you’re racing through streets at 90 miles per hour (MPH), particularly in a low-speed limit zone, usually 30 or 35 MPH.

Although it's unclear who posted the first video of the "My 90 in a 30" trend, TikTok user @mylesjord posted the earliest known mention of it on the platform in late May 2025. In the video, the user added Lorde's "Ribs" as their song choice while driving 90 MPH on a 30 MPH street.

@mylesjord #fypシ ♬ Ribs – Lorde

Usually, folks are sharing music that gets their heart racing, whether it’s a hype song or something emotional that is connected to their personal experiences.

How to Join The 'My 90 In A 30 Trend'?

Getting involved in this trend is very easy. You don't need a car, thankfully, nor a driver's license. Just pick a song that makes you want to race or one that makes you feel unstoppable.

You can then share a selfie, video inside a car or anywhere you'd like. Just make sure you add the music so others can understand why it’s your go-to for that "speeding" vibe.

@vanessa.2470 literally. #fyp #radiohead #fakeplastictrees #trend #90ina30 #crashout #foryoupage #wendyortiz ♬ fake plastic trees – ashlyn

What Are Some Notable Examples of the '90 In A 30 Trend'?

@hoopzig

Cap

♬ Lucifer's Waltz – Secession Studios

@rockstarluhq

♬ Jealous – Eyedress

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For the full history of My 90 in a 30 Trend, be sure to check out Know Your Meme's encyclopedia entry for more information.