The phrase "blow stack" means to become extremely angry or lose one's temper. Some antonyms for this term might include phrases like "keeping calm" or "maintaining composure." Other options might include "being patient" or "showing restraint." These antonyms denote the opposite attitude and emotions associated with losing one's temper, emphasizing the importance of staying level-headed in stressful or frustrating situations. By practicing these antonyms, individuals can learn to control their emotions and avoid lashing out in anger or frustration, leading to more productive interactions and positive outcomes in various areas of life.