A noise favourably used either in disbelief or as a pre-sound to laughter. Often an aggresive way of saying I disagree and of course for those of the population who feel obliged to try and hold in their laughter use this word.

'I rule this game!' ' Pffft, yeh right'
by Zoidy August 07, 2007
Happy St. Patties Day!
A WORD used when one is sick of using big words- and needs a quick fix. When he/she does not feel like typing a smart ass remark. 1.) frustration 2.) whatever 3.) ahh shit 5.) dont be a dumbass 6.) too flipping funny! 7.) no shit! etc....
him: "You can't handle it."
her: pffft! (whatever)
by blessed614 February 16, 2010
Happy St. Patties Day!
the sound hellcat makes when his brain shuts down after he's been verbally bested.
Hellcat, Helos pwzned you!

by bunny November 13, 2003
Happy St. Patties Day!
Shut up, cause I dont give a fuck, and your a joker to think that I care about what your saying.
"Can you do the dishes?"

by FunnyMan!i!i!i!i!i!i!i! July 20, 2009
Happy St. Patties Day!
The sound you make when you have done something funny and slightly immature for someone of your age.
Paul, aged 30, arrives home from a Friday night at 10pm on Monday: "Gee... that was a big weekend... pffft!"
by Michael Holding June 28, 2010
Happy St. Patties Day!
"This is the third phone I've broken this month."
by Foxiewoxie September 05, 2016
Happy St. Patties Day!