Guitarin' it
Jacking off in a fashion that looks like you are playing the frets of a guitar.
This guy on chatroulette had a curved dick so the only way he could jack off was by guitarin' it.
guitarin
Its when a dumb nigga don't know what they doing with a pigeon and a bat, two pound of weed and a Cadillac
He Guitarin it up ova thur
Funk-Guitarin'
The obvious noise of someone nearby watching cheesey TV porn
"Oy Sam, I think Dave's Funk Guitarin' downstairs!"