That’s gas 

Something that is really cool or interesting

Boy 1:yeah I went to a party last week
Boy 2:that’s gas

That’s gas by Chįñæ November 3, 2020

that’s gas 

When someone does something to either mean harm, roast, or just casually make fun of someone

John: “Emily dumped me bro”
Tyler: “That’s gas”

that’s gas by TookewlForSchewl May 8, 2018

that's gas 

Used to indicate something is cool, interchangeable with fire, dope, sick, etc.

Guy 1: I made an A on the bio test!
Guy 2: Bro that's gas, congrats

that's gas by Icy_with_it September 28, 2020

that's gas 

used to indicate feeling amused, but also sometimes used to indicate you think something is strange (and funny).

Guy_1:"I was still drunk this mornin' when I woke up."
Guy_2:"That's gas."
Guy_1:"And then I got sick on my mom..."
Guy_2:"Actually, that's gas!"

that's gas by jAM1e190506 June 10, 2011

That’s gas bro 

I term used by “the cool kids” in middle school it either mean Good As Sh!t or mean something is lit or cool

You saw what that kid did that’s gas bro

That’s gas bro by Lil Chazzz December 9, 2019

That’s On Gashe 

This phrase is used when something is surprising or in replacement of saying “that’s on god”. Similar to on jebena

Abdu: I got a 100 on history test i feel so smart

Temsegen: And That’s on Gashe!

That’s On Gashe by Throw it back lyds December 26, 2019

thats the gas 

this phrase means that someone is ting you badly...but don't use it because it's retarded.

"so did you meet anyone last night"
"no"
"that's the gas!" see what I mean.

thats the gas by elisa February 29, 2004