Go ahead, if you're bad.

Slang from the south that entails whatever you are about to do is probably not going to be in your best interest. Rarely actually used in favor of other phrases, and typically only said by older folks.

Person 1: "I haven't practiced in a few years, but I'm pretty sure I can still backflip."
Person 2: "Go ahead, if you're bad."

you're gonna get some

meaning you're about to get fucked

"oh Ashton you're gonna get some

You're so Fax

A statement expressing the reliability of another individuals words or actions
You're correct

You're right ma brudda

You're so fax! Two plus Two equals Four
The Chiefs suck. You're so Fax

you're a ham

When a person i acting weird.

"You're a ham"

you're gonna be a father

•You impregnated someone

•Usually when you say this to a certain "person", you are stating that you got impregnated and the "person" is the father

"Hey Jason, I just want to tell that...you're gonna be a father" Lisa said to Jason.

Fuck, you're tight

The opening line to Unbelivers by isthatyoularry on Ao3

"Fuck, you're tight" Louis groans