conk out

stop operating or functioning

• “The engine finally went”
• “The car died on the road”
• “The bus we travelled in broke down on the way to town”
• “The coffee maker broke”
• “The engine failed on the way to town”
• “her eyesight went after the accident”

use up all one''s strength and energy and stop working

• “At the end of the march, I pooped out”