Top definition
The act of inserting your finger or thumb into a female's anus while receiving felacio; resulting in a violent yet pleasant explosion. It is then customary for the male to slap the in the face with his penis for good luck. This maneuver was introduced to the 'Merica in the late 90's
Giving a bitch the ole Patty McNasty is the best thing since sliced cheese.
by GIMMExYOxSHOES May 13, 2013
Happy St. Patties Day!