period 3 

The worst class in any school

Joe: what class is next?

Joseph: Period 3
Joe: oh yeah, damn this is going to suck

period 3 by I read dictionaries January 21, 2022

3-d period 

When a period is so heavy that it's thick and chunky

Boy: "Hey wanna have period sex?"
Girl: "We really shouldn't, this is a 3-D period"

3-d period by ShortStuff801 April 18, 2015

Papa G's 3rd Period History & Friends 

The best class in the world. Everyone wants to be in this class. People sacrifice other people to be in this class

Who's class are you in?

Papa G's 3rd Period History & Friends.

Lucky I'm in _______'s Class.

Papa G's 3rd Period History & Friends by 3rd Period History April 22, 2019