The 'Laughing Then Listening Reaction Meme' features a man caught in a moment of hysterical laughter followed by a sudden switch to attentive listening. This meme format is derived from scenarios where one initially finds a statement or situation ridiculously funny but then realizes the seriousness or absurdity of what's being said. This dual reaction is often used to capture the comedic contrast between initial disbelief and the necessity to engage with the conversation seriously. It plays on the universal experience of receiving unexpected or nonsensical information, which initially seems laughable but requires a quick mental adjustment.