A phrase made popular by the Warner Bros' classic Looney Tunes cartoon, where Porky the Pig would show up at the ending screen proclaiming "That's All, Folks."
The phrase is often used mockingly or used as a somewhat humorous-toned but not actually meant to be funny manner.
when something looks raw. when something sounds cool. or when someone does somehting tight. you can say it many different ways such as "ay that shit go", "those go" or "that shit goes so hard" whatver floats your boat
"damn bluhd, yo shoes are hella raw..they go!"
when a good song is playiing someone can say,"ahh that go"
"So like, I was at the store, and like the guy was all 'So you want paper or plastic' and I was like 'plastic' and like I baught a pack of gum but OMG he's soo hott..."