What Does “Bias Wrecker” Mean in K-Pop?

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Plus, more slang terms to know as a K-pop fan

Co-authored by Amy Bobinger, BA

Last Updated: October 1, 2025 Fact Checked

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What is a bias wrecker?

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Bias vs. Bias Wrecker

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More K-Pop Slang

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K-Pop Quizzes

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K-pop is a fun genre with a huge fanbase and a slang-filled language all its own. If you’re just getting into K-pop, you’ve probably seen the term “bias wrecker”—but what does that even mean? Don’t worry, we’ve got you covered. We’ll explain what a bias wrecker is and the difference between a bias, bias wrecker, and ultimate bias. Plus, we’ll break down a few extra slang terms to help you feel like a K-pop insider in no time!

“Bias Wrecker” Meaning Explained

A bias wrecker is a member of a K-pop group that draws your attention away from your bias (the member of the group who’s normally your favorite). A bias wrecker can grab your eye temporarily, or in some cases, they can eventually take the place of your favorite to become your new bias.

Section 1 of 4:

What is a bias wrecker in K-pop?

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In K-pop, a bias wrecker makes you question your bias, or favorite. K-pop fans often have a favorite member (or idol) within a group—known as a bias.^{[1]
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Research source} This is usually the member you connect with the most. A bias wrecker might be someone else in the group who catches your attention—maybe not quite as strongly as how you feel about your bias, but close. They might even make you wonder if maybe they could replace your favorite.^{[2]
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- For instance, if you’re a fan of BTS, you might say, “Jimin is my bias, but V is my bias wrecker.”
- A bias wrecker might distract you from your bias for just a moment, or you might feel yourself drawn to them frequently, especially during a certain era.
- Having a bias wrecker can be a fun distraction that makes watching your group even better! But not everyone has a bias wrecker, and that’s okay.

Section 2 of 4:

Bias vs. Bias Wrecker vs. Ultimate Bias

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Your bias is your favorite, but your bias wrecker is a close second. You might pick your bias based on their personality, talent, style, or looks. They’re often the first member who really catches your eye in a group. Similarly, you might not necessarily set out to pick a bias wrecker—there’s just something about them you find irresistible!^{[3]
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Research source} You might see other bias-related terms in the K-pop community, too, like:
- Ultimate bias (Ult bias): Your very favorite K-pop member across all groups.^{[4]
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- Bias line: If you have multiple bias wreckers, that’s a bias line.
- Second bias: This is a less common term, but some people use it to mean a permanent second-place favorite (as opposed to a bias wrecker, who you might only feel drawn to temporarily). Other people use second bias and bias wrecker interchangeably.

Section 3 of 4:

More K-Pop Slang

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If you’re new to K-pop, learning these terms will help you master the slang. Now that you understand bias, bias wrecker, and ultimate bias, we’ll help you get the hang of even more K-pop slang. Here are some words and phrases you should know:^{[5]
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- Idol: A solo artist or member of a K-pop group.
- Trainee: A student training to become an idol.
- Leader: The member of a K-pop group who’s responsible for keeping everyone organized.
- Main: The most talented member of a group in a certain aspect (like Main Vocal or Main Dancer).
- Lead: The second-best in a group after the Main.
- Sub-unit: Smaller break-out groups of members within a larger K-pop group.
- Comeback: When a K-pop idol or group releases a new song (not necessarily after a long absence).
- Maknae: “Youngest sibling” in Korean; the youngest member of a K-pop group.
- Golden maknae: A maknae who’s especially talented in all aspects of K-pop.
- Aegyo: The cutest member of a K-pop group (usually with an intentionally “cutesy” persona).
- Visual: The most conventionally attractive member of a K-pop group.
- Solo stan: A fan who only likes one member of a K-pop group (this is not the same as a bias—you can have a bias and still like the rest of the group).