a hat

When you eat dirt for the first time and leave your family to build a shack in the woods

Essentially, to porkpie someone is to ignore them (if intentional) or to simply not notice them.

The etymology of "porkpie" is as follows: In a weak attempt at improvised cockney rhyming slang, "porkpied" was used in place of "denied". That's it really. It sort of rhymes with denied.

Can be used as an interjection, a noun, a verb.. even a way of life, if you're so inclined - making porkpie a valuable addition to anyone's vocabulary.

Can be abbreviated to 'pied.

More experienced users of the word have been known to say it with an accompanying gesture - any formation of the hands, which alludes to the view through a cross-section of a porkpie, will do. A plan view of such a porkpie is generally unacceptable, however, and can even be interpreted as an insult in some circles.

A metaphor for the genitals of a female pensioner. Derived from the fact that in the case of both the pork pie and the pensioner's minge, one must wipe off the crust and lick out the jelly before one reaches the meat.

Something that an unamusing fat person demands their partner for (said in an yourkshire accent)

An old ladies fanny: You got to chew through the crust and lick off the jelly to get to the meat. .like a pork pie.