20+ FUNNY EMAIL SUBJECT LINES TO BOOST CONVERSION IN 2025

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Anything that a larger population views as funny is bound to provide more winning results, and that also applies to funny email subject lines. 

An email subject line is the first piece of content your subscribers will see after your name (the sender’s name); sometimes, it even comes before that. You may, therefore, want to add more spice to the subject line because it is a crucial factor that may directly impact your email open rate.

How Do You Gauge the Impact of Your Email Marketing Campaigns?

You probably measure standard KPIs such as email open rates, click-through rates, unsubscribe rates, and bounce rates.

As revealed by Invesp, 69% of emails are sent straight to the spam folder because of their subject line, and 47% of email users decide whether to open an email based on its subject line alone.

Focusing on the right metric is so important for evaluating your campaigns since, for the most part, email marketing can yield a 3,800% ROI, meaning $38 for every $1 spent. But before you can earn money from your email marketing campaigns, your candidates must open them—and it all starts with writing a killer subject line.


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Why Do Email Subject Lines Matter?

Low open rates have always been an issue for digital marketers. A survey by CampaignMonitor reveals that the average open rate for emails is only 17.92%. This implies that more than 82% of emails are left unread. The solution to this might be to improve the quality and creativity of your email subject line.

It’s time to start writing magnetic email subject lines.

Remember, every opened email can lead to more revenue. Small increases in open rates can make a huge difference in your business.

In this post, we’ll cover the types of subject lines that trigger great open rates and how to create them.

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Photo by Surface on Unsplash

How to Create Subject Lines with High Open Rates

Writing compelling subject lines requires deep knowledge of human psychology. Putting yourself in your subscriber’s shoes and thinking about their needs and desires is an excellent way to create relevant subject lines that drive action. 

Understanding the psychology behind efficient subject lines will prompt emails that resonate with your audience. 

It lies in using natural human tendencies, and it increases your return on investment (ROI).

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Photo by Krsto Jevtic on Unsplash

Funny Email Subject Line Examples

If your subscribers find your email subject line amusing, funny, or even interesting, you can rest assured that they will open it.

When brainstorming funny email subject lines, always consider the type of audience you’re broadcasting to and avoid including subject lines that are offensive or can alienate or discriminate against certain groups.

Segment your subscriber list and augment your open rate by using subject lines laced with humor, such as:

  1. We like being used (used by The Muse)
  2. Since we can’t all hit the jackpot
  3. Spreadsheets never felt so good
  4. We’re the real deal (unlike Pinocchio)
  5. Boom shakalaka! Let’s hit it
  6. Offers that you can’t refuse (unlike The Godfather kind)
  7. “Look what you did, you little jerk…” (A reference to the movie Home Alone)
  8. Don’t make us beg! (Okay, maybe a little.)
  9. Hey… Were You Gonna Delete This?
  10. Emergency: Out of coffee?
  11. Have you forgotten us, Adams?
  12. Reminder: Dress code: pajamas
  13. Hey… Are you there?
  14. Meet your new friend in [product]
  15. Gain a head start this quarter
  16. Alert! Flash sale!
  17. New essentials for you
  18. Deals are just too good to pass up on
  19. 25% off on your wishlist
  20. A hint of luxury at an affordable price
  21. Complementary [gift] on purchases above [minimum limit]
  22. Priority access for our favorite buyer
  23. Buy two, get one free

How to Write a Perfect Funny Email Subject Line that Drives Engagement

1. Avoid spam trigger words

Keep it simple and engaging. Avoid using words and phrases in all caps, as they are usually marked as spam by spam filters. 

2. Keep it short and straight to the point

The most valuable information that captivates attention should be at the beginning of the subject line. Try to avoid lengthy and unnecessary phrases as much as possible.

3. Let the funny email subject line be personalized

Personalization boosts email open rates for many users, and with the right actions, your campaign will perform massively.

MailDrip’s email editor allows users to personalize any part of their email.

Here are some examples:

  • “Adams, check out these recommended books.”
  • “Thanks for purchasing our product (name it), Adams”
  • Make it relevant

As a best practice in email marketing, funny subject lines should always convey the purpose of the email. 

When you use a subject line that doesn’t accurately interpret what the email will discuss, your subscribers may become annoyed, and this will push them to either unsubscribe from receiving your emails or mark them as spam. 

In all, no matter how funny you want to make your subject line to win people’s attention, be guided and ensure it stays true to the purpose of the email.

4. There should be a call to action (CTA)

For better results, the funny email subject line should include a hint about the desired action you want your audience to take when they read your email. CTAs encourage readers to take action, such as downloading a freebie or registering for an event.

Frequently Asked Questions

What are catchy email subject lines?

Catchy email subject lines convey elements that hook the attention or pique the curiosity of the recipient so that they will immediately open the email.

What are spammy subject lines?

Spammy email subject lines contain elements that sometimes trigger spam filters, such as excessive capitalization and punctuation, spam trigger words, symbols, etc.

Conclusion

You should always ensure you are spending an adequate amount of time drafting your email subject lines.

By carefully applying these strategies and focusing on crafting a funny email subject line, your email campaigns’ open rates will increase quickly.

Use MailDrip to craft funny subject lines to boost your conversions.

READ MORE: 10 PROVEN WAYS OF WRITING COMPELLING EMAIL SUBJECT LINES

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