1) malapropism for 'intents and purposes'

2) seriously determined and focused aquatic mammals, dangerous to sharks
For all intensive porpoises, whiskey and vodka will both mess you up in a similar manner if you drink enough
by ichi_san February 23, 2012
Get the intensive porpoises mug.
A reference to placing your penis into your partners cavity ;)
Jimmy asked his girlfriend, "Can I park the porpoise tonight?" ;)
by ZILLAISGAWD August 2, 2017
Get the Park the porpoise mug.
I had some down time at work today, so I went into the women's bathroom and started pulling the porpoise.
by xxmetoxx November 5, 2009
Get the pulling the porpoise mug.
A suspiciously inept simile (or metaphor)
The original: "Closer inspection revealed that the rest of the body was encased in 2-3 feet of ice, the body prostrate, suspended into the ice like a porpoising walrus." -- Charlie LeDuff, Detroit News, 28 January 2009

Laurel Fortuner, 1992 Bulwer-Lytton Fiction Contest winner: ". . . her creamy bosom rising and falling like a temperamental souffle . . ."

Excellent porpoising walrus, Ms. Fortuner!
by jedyca January 30, 2009
Get the porpoising walrus mug.
A phenomenon where your asshole seems to move up to your tailbone before you take a shit. This results in feces being back blasted to the toilet.
I had a terrible case of porpoise ass after eating Taco Bell.
by Boopqwereeee May 6, 2015
Get the Porpoise Ass mug.
dude, when I saw that pamela Anderson video, I HAD to go tickle the porpoise!
by rascalollie August 10, 2009
Get the tickle the porpoise mug.
When you are having intercourse with your lady friend from behind, and you pull out and try to insert in the back door, she cocks her head sideways and says "Enh enh! Enh enh!" like a disgruntled porpoise
I was getting it on with that girl I picked up at the bar last night, and when I tried to get a little Heiney love, she gave me the disgruntled porpoise!
by Birf May 10, 2012
Get the Disgruntled Porpoise mug.