A fork of Rural Dictionary
When a person is submerged in water and they slightly emerge their anus out of the water and lets loose a high velocity fart spraying water and/or fecal matter resembling a Whale surfacing for air.
Position 31 in the "fartmasutra" is called "The whale".
When you manage to shit without pissing in a defiant act of sheer will power.
Person 1: "Damn it I was selected for a drug test and I have to shit." Person 2: "That's okay just pinch off the Black Diamond first."