Top definition
An entity of absolute truth. One of the fundamental laws of physics is that 'Peishi is always right.' Failing to maintain this law means that one is 'damn cui'.
Dude A: "are you sure he's right?"
Dude B: "Of course, he's a Peishi!"

OR

Peishi says "you damn cui leh!"
by Dianne_Loh August 28, 2014
Get the mug
Get a Peishi mug for your coworker Sarah.