Piece of Pi 

A math question that is considered so easy to solve, or a math paper that turns out to be as easy as pie—a no-brainer even for those who are anxious or petrified about certain brain-unfriendly school or college math topics.

Most of the 2021 grades 1–5 math exam papers in certain US red states were a piece of pi for the a large proportion of students during the Covid-19 pandemic.

Piece of Pi by Fasters January 23, 2022

piece of piss 

A task that is considered easy. Generally this term is used in Australia.

Davo: Do you think you can finish those six beers before they close the pub?

Johnno: A piece of piss, mate. No worries.

piece of piss by Geoffrey Menage June 27, 2007

piece of piss 

(adj) Easy, not difficult. (Mainly British)

Beating this game is a piece of piss.

piece of piss by Gumba Gumba April 12, 2004

a piece of piss 

something that is as easy as taking a piss

"man united's match against arsenal will be a piece of piss"

a piece of piss by skeo got loose June 1, 2019

Piece of piss 

A job or task which should require little or no physical exertion in order to complete.
(Mainly used by the trades when assuring the apprentice that the job is easy (it often isn't.))

Just bang that up there then your done, it's a piece of piss mate.

Piece of piss by Thingsthatmakeyougohmmmm July 13, 2017

a piece of piss 

some thing that was as easy ass taking a piss

that homework was a piece of piss

a piece of piss by skeo got loose June 1, 2019

piece of pie 

To remember how to spell PIECE, just think "Piece starts with the sord Pie, as in, I'll have a PIEce of PIE please".

Jack is always asking me for a piece of pie.

piece of pie by Shelly Bozdog December 10, 2006