poop out (verb)

1. In the final scene of the novel, the protagonist, exhausted from his journey, simply poops out and collapses.

2. Why did the bicycle stop working? Because it pooped out!

3. During the Battle of Stalingrad, the German troops eventually pooped out and were forced to retreat.

4. In the climactic fight scene, the hero defeats the villain by pushing himself to the limit, but in the end, he poops out and collapses from exhaustion.