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Funny Instagram Captions for Sisters

Captions are one of the most important things when it comes to posting on Instagram. They are what gives the image additional value. These small explanations that you write under your Instagram posts can give your profile and your image the vibe you are after.

When you put in some effort in writing nice captions along with hashtags it can help you get Instagram followers easily. Writing awesome captions sometimes can be a problem especially if you don’t have much to say. Especially if there is someone close to you in the picture. For example someone from your family like your sister.

In this article you will find some of the best and funny Instagram captions for sisters. Sister is the most precious, caring, loving and important person in our life and sometimes we can’t imagine not having her in our life.

You probably have seen a bunch of celebrity sisters posting awesome selfies with even more awesome captions. Now you can do it too without copying what others are doing.


Here are some of the best captions that you can use for your sister’s posts.

Funny Sister Captions for Instagram

  • A sister is a best friend you can never get rid of.
  • Sisters are like fat thighs that stick together.
  • Do you think I’m crazy? You should meet my sister!
  • When I say, I won’t tell anyone, my sister does not count.
  • We’ll be the troublesome old ladies in the nursing homes.
  • I’m a big sister, which makes me the boss. Okay?
  • We are sisters. If I am mad at someone you are too!
  • We go together like drunk and disorderly.
  • Sisters are like cookies and milk. Whether they are crummy or sweet, they are better together.
  • I’m rich now, Thanks for all that free therapy throughout the years!
  • Happy national siblings day! To my oldest compatible donor!
  • Happy birthday to mom and dad’s second favorite child of all time!
  • Breaking news: The government is going to start deporting all the mentally ill people. Run sister! RUN.
  • Happy birthday to someone who is gorgeous, smart, funny and reminds me of myself. From one fabulous sister to another.
  • Sister, you will always hit every decade before me! Happy realization!
  • Sister don’t let anyone treat you like tap water, you are Fiji water.
  • Little sister, Why don’t you stay little? I don’t like you growing up!
  • Back off I have a sister and I am not afraid to use her at all. Shoo now.
  • My sister and I are not the kind of people you should put on speakerphone.
  • Hey sister, I miss you like an idiot misses the whole point of the statement!
  • I am not just a sister. I am a big wonderful cup covered in awesome sauce, with a splash of sass and a dash of crazy!
  • I just took a DNA test, it turns out I’m 100% that crazy sister.
  • If you mess with a big sister, then there is always that crazy younger sibling you might have to deal with!
  • As your sister, it is my job to remind you of your inherent ugliness and pointlessness in the universe.
  • Sister, you will go grey before me! I will enjoy the spectacle.
  • My mom did not raise a dummy. If she did, it’s my sister.
  • There are several benefits of being related to me! For example, I am your sister. Isn’t that so beneficial? You are welcome.
  • Being a big sister means loving your sibling even if they don’t love you in return.
  • Sister, you will always be my partner in crime. You have no option.
  • I wanted to send you a gift, sister. But they said I cannot mail myself.
  • Let’s face it, nobody else would be able to handle your craziness sister. I should get a reward.
  • Sis, if you would do what I tell you to do, I would not have to be so bossy.
  • Sister, you are such a good cook! Even the fire alarm cheers you on!
  • Hey sister, I love you because you are awesome. Like me, might I add?
  • You and I are sisters. So if you fall, I will pick you up! But only after we both stop laughing.

No matter the occasion you can use these Instagram captions for sisters birthday, weddings, baby shower, engagement, graduation or any other memorable moments.

Is caption necessary for every post?

No, you don’t have to add a caption, however the post becomes a lot more interesting with a funny caption.

Can I edit or delete captions?

Yes, whenever you decide to change it you can do it, or delete it.

What is a character limit for Instagram captions?

The maximum caption length is 2,200 characters . You can also use up to 30 hashtags