A fart which unintentionally results in liquid feces being expelled out your anus, usually at the speed of light. Often involves the soiling of ones underwear. Similar to shart
Stuart was feeling "chirpy" as he watched two squirrels in a walnut tree from his bed. Because Susie's mind was typically in the gutter, she assumed this to be a euphemism for the contents of Stuart's underwear. If only she had double carpeted her bottom step!