STFUATTDLAGG is a viral acronym that stands for 'Shut The Fuck Up And Train To Destroy Life And Get Gains.' Emerging primarily within the 'GymTok' and fitness communities on TikTok and Instagram, the meme serves as a high-intensity motivational tool often paired with dark aesthetic gym edits and Phonk music. It represents a 'Sigma' mindset of extreme discipline, focusing on physical self-improvement while blocking out external distractions or negativity. The acronym's aggressive tone is a staple of modern fitness subcultures, used by gym-goers to celebrate intense workout sessions and the pursuit of peak physical condition.