The instantaneous and short-lived feeling of unbridled joy which accompanies ejaculation.
Guy 1: Mate you look delighted, what's the good news?
Guy 2: It won't last bro, ejac-elation is short but oh so sweet.
Guy 1: Dude, too much info.
The type of turd which is so vast and substantial that relieving yourself of it is comparable to putting down a heavy briefcase you have been carrying all day.
Person 1: 'Hey are you ok? Whilst you were upstairs I heard a colossal thump.'
Person 2: 'Don't worry, I just dropped my internal briefcase.'