when you feel like you need to take a large dump but cant manage to sqeeze anything out resulting in an abnormally long session in the restroom or an uneasy feeling if you decide to proceed with your day with only pushing out a few tiny pellet size turds...also can decribe when you need to take a huge shit and it gets half way out of your asshole and your butthole is stretched to the furthest diameter possible,nearly tearing your o-ring then stops causing you to breath like a ladie in a lamaze class while trying to muster with the strenght to force it out..which while taking place could feel like an extremely long time in which everthing you think you know comes into question and you question if god really exists.

the whale tail is the shape formed when a g-string rides up high over a womans trousers