an internet acronym which stands for Pee In Your Butt. This phrase originated on honda-tech.com in the general discussion and debate section. there is much debate as to whether the term was first put into practice by screen name temp or screen name chilly.
During the great honda-tech GDD myspace whore thread of 2006 many people wanted to tell the whore in question "i want to PIYB"
Stands for "piss in your hand and throw it out the window". Is used when you and your squad are in a competitive game and someone needs to go to the bathroom but no one else wants to call a time out or there are no timeouts left so you tell your friend to PIYH&TIOTW instead
"The act of urinating in someone's rectal cavity. The actual acronym being slang, meaning "Piss In Your Butt". By many, it is described to be the ultimate sexual feat, sometimes referred to as "fifth base".