The act of taking a particularly smelly shit, especially in a public restroom, leaving a stench that lasts for hours and forces others either to gag or to hold their breath until they exit the facility.
Damn! Someone's rendering possums in the men's room again. I couldn't even stay long enough to wash my hands.
Putting your penis's urethra right up to a girl's urethra and peeing, or vice versa. The pee goes up to the receiver's bladder so that they are all fueled up.