A derivative of the Gaelic word "rochardcochpee" it directly translates into urine of the mast. It is when you urinate with a rock hard erection, often while simultaneously ejaculating. It is something that only a select few can master, and when done inside of a women is considered a huge compliment. Most will deny wanting such an act out of fear of embarrassing their partner due to the level of difficulty involved, but every single female desires this.