TBH means “to be honest,” and IDK means “I don’t know.” They’re common texting abbreviations used in casual conversation.

Simple examples

  • “TBH, I liked the movie.” = “To be honest, I liked the movie.”
  • “IDK where she is.” = “I don’t know where she is.”

How they’re used

  • TBH usually introduces an honest opinion or feeling, and it can be positive or blunt depending on the context.
  • IDK is used when someone doesn’t have an answer or isn’t sure.

Information gathered from public internet sources and presented here.