A fork of Rural Dictionary
Common in pregnant women, it's when you sneeze and piss at the same time.
I need to get used to snissing, now that I am 6 months pregnant.
When you sneeze so hard you piss your pants. Usually happens to middle-aged women.
While walking the dog my wife paused to sniss, she sneezed and pissed so we had to get home to get her out of those wet clothes.