No pain, no gain, no idea what half these terms mean.
The heaviest weight you can lift exactly once before your body sends you a strongly-worded cease-and-desist letter. It's the gym's version of a high score, and people will exaggerate theirs with the same confidence as fishermen describing the one that got away.
A planned short-term increase in training load that temporarily decreases performance, followed by adaptation and improvement during recovery. It's intentionally digging yourself into a hole with the confidence you can climb back out stronger.
The paradoxical condition where working out too much actually makes you weaker, proving that more isn't always better—a concept gym bros refuse to accept. This occurs when athletes don't allow adequate recovery time between sessions, leading to decreased performance, persistent fatigue, and increased injury risk. It's your body's way of saying 'I didn't sign up for this torture schedule.'
A state of chronic fatigue and declining performance caused by excessive training without adequate recovery. What happens when more-is-better philosophy meets biological reality.