That's Tuff 

Popularized by the youtuber SoLLUMINATI it can be used to describe variety of things that are either really good or really bad.

He called my mans a school shooter? That's Tuff.

My mans pulled up in a new i8 ... THATS TUFF!

That's Tuff by Vro-- November 6, 2017

That’s So Raftus 

Dude absolutely murders beers, lies, is embarrassed of hanging out with people with cancer, and wheels birds like no tomorrow

Bro are you really hanging out with a kid with cancer
No way, that’s embarrassing

That’s so raftus

That’s So Raftus by JasonZelll October 11, 2021

that's three in the corner 

A Simon Anthony saying when a 3 is placed in a corner cell of a Sudoku grid and us usually followed by REM lyrics;

"And a 3 goes into the corner cell....that's three in the corner, that's three in the spotlight, losing its religion"

that's three in the corner by markscottuk December 19, 2021

That's About All...Peace Out 

YouTuber Styxhexenhammer666's signature phrase, which is said at the end of (pretty much) every video.

It's quite funny actually, That's about all...peace out.

That's About All...Peace Out by TT_Raven July 23, 2018

that’s crazy 

What someone says when they didn’t hear or pay attention to a single thing you’ve said.

Her: Yeah and so that’s how my day went.
Him: That’s crazy....

that’s crazy by dzzfrgn March 12, 2018

that shit's dingo

A catchphrase born from the brilliant mind of Rowan Bettjeman of Viva La Dirt League to describe something as being great and is a catchphrase that definitely exists.

"Is that keyboard working?"

"Yeah, it's working fine"

"Oh nice, that shit's dingo"

that shit's dingo by The Guy Who Uses Funny Memes December 5, 2022

Damn that's crazy 

When you pretend to care whatever the hell your friend is saying.

Friend: Ay, so last night, I saw this hot chick, then guess what?
You: What?
Friend: She looked at me and winked, bro!
You: Damn that's crazy.

Damn that's crazy by Scyanogen February 6, 2021