to "piff" is to run up behind someone, flick your wrist and in turn hit the person in the back of the head, then run away in a childish manner
by dani g October 18, 2006
Get the piffmug. by Poetrywave January 28, 2010
Get the piffmug. by Chad Piff June 18, 2018
Get the Chad piffmug. by benparfae11 December 9, 2008
Get the Piff Whiffermug. by black artie September 22, 2010
Get the Da piffmug. by saxi December 2, 2011
Get the piff chillermug. 