The most feared letter that could be typed in a URL as the first letter by a parent or peer attempting to use your device to search something. Especially stressful if continued by the letters O and then R.

It's the 16th letter in the alphabet.

Slang to represent money

pimp, like calling somebody 'g'

A slang term for methamphetamine that is uniquely used in New Zealand. P refers to peudoephidrine the precursor drug often used to manufacture methamphetamine.

P is a personal blunt

common English slang for 'pence', the sub-monetary unit below the pound.
100p = 1 pound