look up any word, like columbusing:
pronoun. to mastubate, to jerk-off
I saw dis chill on T.V earlier, slut made me wanna do the five-knuckle chuckle.
by Thorns069 June 03, 2004
act of masturbation
Tonight I'm gonna have a five knuckle chuckle.
by Emu Lgator January 11, 2004
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."
by Maddie McGregor January 20, 2008