Snoring too louding, thereby making the room sound like it contains several barnyard animals.
Karen to Ken: If you don't stop barnyarding I am going to have to ask you to sleep on the couch.
"Barnyarding" is a nice way of saying "bullshitting," which basically means lying about something in order to get a desired response or outcome.
"Seriously, no barnyarding, I'm telling the truth."
"All barnyarding aside, you're full of bullshit."