Polite euphemism used to replace a popular expletive, the exact meaning varies depending on context. Handy for use in workplaces where the management are uptight squares who stifle free speech.
by Raki July 19, 2006

I had just been involved in a rather large chuff session(the heady nuggets of course) on the booby bus when I grabbed a keystone to relieve my cottonmouth.
by BigChuckMN May 22, 2011

An onamatopeia for the noise an old steam engine makes.
(The American Heritage® Dictionary of the English Language, Fourth Edition)
(The American Heritage® Dictionary of the English Language, Fourth Edition)
by Laurie July 19, 2006

"Stick that in your chuff-box"
by Berntastic February 11, 2009

He takes it up the chuff
by PlymouthKid April 2, 2009
