You don't know shit about fuck
An extreme way to invalidate a person's opinion. It's a hardcore dis meant to bring the person it's directed at to complete silence.
Marven: This war is like fucking awesome yo!
Shanaynay: You don't know shit about fuck,asshole.
Marven:....................well damn.
Shanaynay: You don't know shit about fuck,asshole.
Marven:....................well damn.