pif Share definition Flag an explosion of sparkles out of the nose. (: guy 1: im boredd as heckkk.guy 2: then get your butt up and lets go pif.guy 1: ok lets go!!!!! pif by piffy mcpiffton. (: April 7, 2010 0 0 Get merch Get the pif mug. Buy Now — $32.95 See more merch