pak choi 

it is Chinese for cabbage. very popular among old people traditionally used in stir fry. pak choi is tasty, versatile and nutritious, but it isn't as widely used as it should be. it is also referred to as bok choy
in jersey it is slang for rubbish.

北彩 or 白菜

Donald trump is pak choi
I just had a lovely stir fry the bok choy was a personal favourite

pak choi by light rin killua May 5, 2018

Overcooked my Pak Choi

As it is very hard to overcook Pak Choi due to it's crispy nature, we can ascertain that this saying is used to denote the action of ingesting far too many drugs or units of alcohol.

"You look a little off colour..."

"Yeah, I really think I've overcooked my Pak Choi."

Overcooked my Pak Choi by Mennula March 18, 2011