The viral TikTok trend 'Just Give Me My Money' involves participants taking turns saying the phrase in a humorous voice while others applaud, except for one unsuspecting person who is met with silence, creating an awkward moment. This prank has gained widespread popularity, with over 25,000 videos using the hashtag and participation from celebrities like Will Smith and various sports teams. While the exact origins of the trend are unclear, many attribute it to streamer Kai Cenat and rapper DreamDoll, with some speculating it may have roots in the 2002 film 'Paid in Full'. The trend's appeal lies in its unpredictability and the amusing reactions of those pranked.