Pyay 

A further bastardisation of the word "pure" by scousers.

"Pyay scran"
"Pyay beac"
"Yer ma's a pyay slag, lid!"

Pyay by Graham Lean May 1, 2006

Pyay 

The word you say when you have to pee but you're excited at the same time. Pyay!

TV Spokesperson: You've just one a million dollars!
You: I just drank 2 liters of coke! Pyay!

Pyay by Joe's vaginal mesh May 10, 2015

pyay 

a colloquiaism from Liverpol that replaces 'very' or 'really'. It has evolved from Liverpudlians using the slang term 'pure' to mean the same thing, it then morphed to become pyar and then pyay.

"It's pyay hot in here"
"That exam was pyay hard"

pyay by Jane Thomas August 14, 2007