IYKYK Slang: Meaning, Origin, Sentence Examples

Written by Gabriel Cruz - Foodie, Animal Lover, Slang & Language Enthusiast

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(Abbreviation) IYKYK stands for “If you know you know.” It means that two or more people understand each other without explaining themselves.


IYKYK was first heard in 2018 from the song “If You Know, You Know” by rapper Pusha T. Then, in 2020, it became one of the most rapidly growing TikTok and other social meida hashtags.

Demographic (Who Uses This Word)

Gen Z and other social media users, especially TikTok content creators, use IYKYK as their hashtag so their content can easily be found on the platform.

IFYKY Used in a Sentence

  • Example 1: We were talking about last night. IYKYK.
  • Example 2: That’s not my thing. IYKYK.


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