Top definition
When one is 90% sure they are going to fart but there is an outside chance they may shart, so just to be safe they seek out the nearest toilet.
If you'll excuse a moment, I have to go make a safety-shart. I don't want a repeat of what happened last week when I shat my britches.
by m.c. phatback July 08, 2014
Get the mug
Get a safety-shart mug for your boyfriend Callisto.