IYKYK meaning – plus ten amazing Instagram and TikTok examples!

Screenshot from @shellycantsitwithus TikTok

IYKYK is a popular term used throughout social media and users often feature it in amazing content! But, what does it mean?

This phrase is used to cite inside jokes and often causes people to wonder what they’re missing out on. Continue reading to find out the meaning of IYKYK and view incredible Instagram and TikTok examples!

What is the meaning of IYKYK?

IYKYK simply stands for ‘If You Know, You Know.’

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This secret melodramatic language is used to cite drama, inside jokes, and the stirring of pots.

It also has potential to create copious amounts of FOMO (fear of missing out).

Urban Dictionary defines the phrase in various ways, with great contextual examples.

One example being the quote:

“Last night’s party was crazy #iykyk”

But, if you were confused about the meaning of this phrase, then you definitely were not the only one!

@shellycantsitwithus took to TikTok to confess that she was unaware of the real meaning of IYKYK, and instead thought it was the new way of laughing!

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Another user, @zulumonkey also admitted that he did not know the real meaning of IYKYK.

5 amazing Instagram examples

The popular Instagram hashtag #iykyk currently has over one million posts.

Instagram user named @payburcham uploaded a smiley-image of her with friends at a party.

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Payton captioned the post by mentioning an inside joke about the theme of the party – of course featuring the phrase IYKYK.

Food company with the Instagram username @thhsandwiches, shared an image of one of their meals.

Referring to the spring rolls as ‘weekend essentials’, the account used the IYKYK hashtag to create a sense of FOMO for the people who are yet to try this meal.

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Another user named @leximalouf took to Instagram to post a photograph of her and a friend at a sporting event.

Lex labelled the pair as big fans in the caption, along with #IYKYK, perhaps to make her followers wonder what they’re supposed to know!

@taylordomanowski featured popular song lyrics in the caption of her recent Instagram upload whereby she is stood in front of a huge truck.

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Possibly referring to the song lyrics, the user finalises her caption with the hashtag #iykyk.

Another restaurant company named @harbordocks also took advantage of the hashtag #iykyk in order to gain attention on their Instagram page.

This encourages viewers of the post to wonder just what they’re missing out on.

5 incredible TikTok examples

Although content featuring the IYKYK expression has been spiralling TikTok for years, there is still plenty of recent videos which include the phrase.

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TikTok hashtag #iykyk currently has a huge 3.7 billion views and is filled with amazing content using the popular term.

@jaiden_alyse uploaded a TikTok in 2020 which included the realisation that the public toilets have a two-way mirror.


When I tell you I ran, it’s no joke. #iykyk #fyp

♬ oh no, oh no, oh no no no – qtpie

User named @ambeeerleee recently uploaded footage of her date controlling a suspicious device from his phone.

The caption’s hashtags along with the comment section make it pretty clear what exactly this device is… #dontbesuspicious

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American user named @katie3davis shared a comical upload featuring her faking a British accent in order to get a free drink at a bar.


there were ppl at my university that thought I was British for the whole 4 years 🤦🏼‍♀️ #iykyk #british #bar

♬ original sound – Katie Davis

@dylan.kolak posted a TikTok video featuring a hilarious video of a male gymnast who prepares to compete on the vault until the springboard breaks and sends him flying onto the judges’ table.

The use of the IYKYK hashtag makes the upload 10x funnier!


#stitch with @jessssthemess never gets old 😭😭 #fyp #gymnastics #iykyk

♬ original sound – Dylan Kolak

@catdiehl92 addresses fans of ‘The Incredibles’ in a TikTok video whereby they includes footage from the popular movie.

The user refers to the break-in incident at the Capitol as they suggest that a cartoon character’s security system is much more advanced.

So, go ahead and check out the IYKYK phrase on various social media platforms and see if you really do know!

And if you don’t know, get to know!😆