When a text makes no sense whatsoever. It may apply to anyone who lacks common sense or is actually drunk. The text may bear no meaning/ add to the textual conversation.
Not to be confused with "Textaholic" since its not about being addicted to texting.
Guy: I'm glad summer has officially begun
Girl: Rainbow, skittles, gummy bears yay yay.
Guy: I am so lost.
Girl: I am sad.
Girl: Cause its cool
Guy:You are textually drunk.
Girl: Are you calling me a textaholic.
Guy:This conversation is over.
Girl: omg Hii