Spending too much timeon the toilettrying to get trivial poo to drop off your ass, when in reality it could be easily wiped off. A major cause of 30 minute craps.
Testosterone-fuelled stress; when a male is giving off stress vibes so aggressively strong that the tension is palpable and quite frankly, a little bit scary.
"His stressticles were so strong I couldn't wait to get out of the room!"
"Hell, that guy was radiating stressticles! Chill pill, much?!"