Bullshitier

To be more full of shit, than the opposing bullshitter

Jim talked a lot of bullshit at the party, but to was way more bullshitier )

bullshity

when something is bullshit

Bro, that's so bullshity

Bullshitious

Bullshit but making it sound fancy.

"Did you hear that Justin got a girlfriend?"
"No, that is bullshitious!"