STFU Meaning

STFU stands for Shut The F**k Up.
STFU is an internet slang initialism used to tell someone to be quiet.

How Is STFU Used? Use Cases & Examples

Teens use STFU everywhere on the internet to tell someone to stop talking or as a gut reaction to something offensive or vile. Most slang initials have the same meaning in uppercase or lowercase, but for this particular slang term, using all caps rather than lowercase indicates a higher degree of anger.

Examples of how your teen might use the slang term STFU:

  • Colin: I only told her what you told me.
    Alan: You should learn to STFU!
  • Molly: You can’t even look him in the eye.
    Debby: Yes I can! STFU!
  • Hey, don’t embarrass me! STFU.
  • Stfu about that, don’t say anything.

How to Identify If Your Kids Are Using the STFU Slang Word

The slang word STFU is harmless, but as a parent, you can’t be indifferent to the slang code your children use. You need to learn some of the most common slang terms and monitor teen slang to keep your kids safe with ease. Here are two ways to detect the slang phrase STFU:

1. Check Their Phones Directly for the STFU Slang Word

You might have a hard time keeping up with every teenage slang term. But if you check your kids’ phones regularly, you can stay informed. You can view your kids’ SMS, search history, and chat messages for suspicious slang like STFU.


  • Affect your relationship with your kids
  • Troublesome
  • Can’t detect dangers timely


  • No need to install any app

2. Install A Parental Control App to Monitor the STFU Slang Word

A good parental control app will help you detect risky teen slang words such as STFU on your kids’ phones. It enables you to monitor 30+ popular social media sites and other apps. And it sends instant alerts to you if it detects anything problematic. This way, you are able to keep your kids safe online.


  • More features like chat monitoring, GPS tracking, call recording, surrounding recording, etc
  • Instant alerts
  • Easy to install and use


  • Some apps are not free

Parental Control Apps to Detect the STFU Slang Word


  • Google Family link:
    It is a family parental control service from Google that helps you check search history for the STFU slang word, restrict content, set screen time, and more.
  • iKeyMonitor:
    iKeyMonitor is one of the most powerful parental control apps. It monitors SMS, chat messages, and searched terms on kids’ phones. It will take screenshots/photos and send instant alerts to you on triggered alert words such as STFU. Besides, it will record calls, surroundings and block inappropriate apps to protect your kids from threats.


  • Apple Screen Time:
    With Apple’s built-in parental control setting, you can manage app limits, set content restrictions, and more. Just unlock the iPhone or iPad, then go to Settings and tap on Screen Time.
  • Norton Family Parental Control:
    Norton Family provides insights that help you foster a healthy online/offline balance for your children and their devices.
  • Kaspersky Safe Kids with GPS:
    Kaspersky Safe Kids is a popular parental control app that provides web monitoring, app blocking, filtering, and more.
  • Alertbird Parental Control:
    Alertbird is a parental control app for iOS that monitors the STFU slang term and other dangerous words. You will be notified immediately if it detects alert keywords in your searched terms and chat messages, such as the STFU slang word.

Tips to Talk With Your Kids About the Use of the STFU Slang Word

The prevalence of the slang term STFU is the perfect starting point for a discussion of civic discourse. Tell your children that despite the negative examples some celebrities and politicians show, we can and should control our reactions. Here are some examples of how to discuss politeness with teens:

  • What are some alternatives to STFU that are less offensive?
  • Do you think people use this slang expression because they don’t have a sharp comeback or because they are clearly losing?
  • Why do you think it’s so hard for some people to take the high road?
  • Can you think of an example of a celebrity being graceful in response to provocative remarks or actions?

List of Teenage Slang Words