To perform a sneeze and a fart simultaneously. This action is normally caused, due to high pressure caused by the person(s) performing an uncontrolled sneeze, whilst holding in methane gas over a long period of time. The end result can be devastating, and often embarrassing.
Haaa-Chuuuu, prtttttt, opps I sneezed and farted at the same time, excuse me.- Snitered
by Basagre January 18, 2008