The confusion of two people.
Listen here you little McCrasket, I'm gonna hurt you so bad you're gonna look like Obama's wife.
A joke based off of the "Saw Con" joke that makes absolutely no sense.
"Biff Con" is based around the character from Back To The Future.
"Are you going to Biff Con?"
"What's Biff Con?"
"Biff Con Boogy!"
"That doesn't make any sense."