I dare you not to laugh while watching this.

I dare you not to laugh while watching this" is a phrase often used as a challenge to someone to try and resist laughing while watching a humorous or funny video. It implies that the video is so entertaining and amusing that it is nearly impossible to watch without laughing. The phrase is often used as a marketing tactic to encourage people to watch a video or share it with their friends, with the promise that it will make them laugh uncontrollably.