(deyim) 1. Reach the point of physical exhaustion during strenuous activity 2. Reach a limiting point or situation at which progress or success ceases3. If you hit the wall when you are trying to achieve something, you reach a situation where you cannot make any more progress
(deyim) 1. Reach the point of physical exhaustion during strenuous activity 2. Reach a limiting point or situation at which progress or success ceases3. If you hit the wall when you are trying to achieve something, you reach a situation where you cannot make any more progress