That’s on period 

Another way of saying of saying thats on god or this is my definitive final say on the matter. Usually used to reinforce how serious the statement is.

We all need to start acting more like adults starting today and that’s on period.

Mindy should mind her own fucking business, that’s on period.

That’s on period by Crawscraw November 21, 2019

That’s on period 

A way of saying “this is my definitive, final say on the matter.” Usually used to reinforce how serious the comment is.

Menstrual products should be free... and that’s on period.

That’s on period by Avery<3 January 12, 2021

And that’s on period

When something is final, when you totally agree with.

- I think I’m breaking up with jake, he’s so bad for me

- and that’s on period

And that’s on period by CarolsRB;) December 2, 2020

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

And that’s on period

When something is final, when you totally agree with.

- I think I’m breaking up with jake, he’s so bad for me

- and that’s on period

And that’s on period by CarolsRB;) December 2, 2020

And that's on period 

When somebody wants to end a really good sentence :3

"WoW and that's on period"

And that's on period by Don'tbejellycuzImcute May 22, 2021

Murphy's Law of first period 

If you haven't done homework for a class, you will have it first period without fail

Guy 1: Ah fuck dude, English first... of course I didn't write my essay.
Guy 2: Well yeah dude, murphy's law of first period

Murphy's Law of first period by dangdaddddddyyyy November 9, 2016