by Dayton Vegas April 26, 2010
by Al G W August 21, 2007
When, after consuming too many blue-raspberry smoothies and cabbage, one breaks wind loudly and leaves a distinctly purple stain on one's undergarments.
by RIDICULOUS WILDCAT March 04, 2010
purple thunder is an underground army created by two high schools students. it is the second largest underground army. Members will usually yell purple thunder in a loud deep raspy voice to show they repsect their membership.
by da_drizzle June 12, 2011