The internet slang “k thx bye” is a shorthand, often humorous or slightly dismissive, way of ending a conversation. Breaking it down: “k” is a shortened “okay,” “thx” means “thanks,” and “bye” simply means “goodbye.” Together, it conveys something like “Alright, thanks, goodbye,” usually implying a quick or abrupt end to a discussion. Often, it suggests the speaker isn’t interested in continuing the interaction, or it can be used playfully to cut off further debate or questions. This phrase is common in casual, online chats and text messages, where brevity and a hint of humor are typical.