A test of endurance.Where one Does an activity for a non scheduled amount of time up until the point they can no longer physically complete said activities, whether it is from a lack of energy or other non specific physiological factors. E.g Climbing till your hands bleed Or getting hypothermia, Passing out, from attempting the ice bucket challenge.
Do you want to do the SOUTHERN ROCK sugar-run?
The physical action of running to take a cold shower in the morning due to a wet dream.
1. Why were you up at 4 am?
I had a rock run dudeā¦
2. The man-child had a rock run in the middle of the night because he fell asleep watching adult videos.