What is Five Knuckle Chuckle?
1.
act of masturbation
Tonight I'm gonna have a five knuckle chuckle.
2.
a slang term used for male masturbation.
"what took you so long, were you out back doing the five knuckle chuckle?"
"she was so hot, I had to do a five knuckle chuckle when I got home."
See