A fork of Rural Dictionary
An 80's term meaning to crank up the volume on a boombox and rip the knob off so nobody can turn it down.
Boombox: (song starts playing) Guy: This is my favorite! Crank it up and rip the knob off!
I need to knob off into town. I'm just knobbing off out. Where's Pete gone? He's knob off to Benidorm for the weekend. Right, I'm finished for the day, so I'm knobbing off home!