An almost silent, "whooshing" or "piffing" fart.
Try as he might, John's attempt to let only a piffer resulted in a full-blown, sphincter clapping fart.
by MikeyVeggo April 09, 2003
A person who sits in a bathtub, farts, then bites at the bubbles.
Chris's breath smells like shit because he's a piffer.
by Anthony April 04, 2005
someone who smokes only the best (Piff) weed.
That dudes a straight piffer
by clocc April 25, 2009
When you slyly lick the tip of your thumb and gently "flick a woman's bean"
Mike and Alice were messing around on the couch. Mike decided to steal 3rd base and give her a little piffer.
by JamesBradshsw November 13, 2015
a slang term for the female genitalia.
ie. jodi slept with panties on for fear of getting spiders in her piffer.
by upnorth July 25, 2005