get chemical

to be high on prescription drugs as a recreational habit or addiction.

"I scored some perc and am going to get chemical."

"I've never seen someone so chemical."

or to determine the cause of strange behavior

"Dude, are you chemical?" as opposed to drunk or mental

getting my chemical on

It's a phrase refreshing the usage of drugs,

It was created by MatPat & StephyPat the game stream YouTuberes from GTLive
It was first mentioned in there episode 1 of the "Life is Strange" gaming serie

1: dude, wanna join me? I'm gonna go getting my chemical on
2: you do drugs?
1: yeah dude
2: ( I don't see a future friendship here)