ahhfff 

it is a rather complex word used in place of a phrase such as yeah right

hey do you want to suck my dick "ahhfff"

ahhfff by mike d August 16, 2006

Ahpfffttt 

The sound one makes when they fail or witness someone fail.

Ahpfffttt! I ran into a horde of Zombies.

Ahpfffttt by Clutch Nuggets December 29, 2010

ahhpfff 

it is a rather complex word really, there are a vast ammount of uses for the word...such as.......

when someone says something and you would normally say yea right (or sumthing to that effect) instead of sayin (yeah right) you would say "ahhpfff"

ahhpfff by Mike the pimp October 19, 2003