1 definition by Yo mama and them
When somebody is so startled or frightened that they crack a rip in their jeans. They jump so hard that they pass gas loudly and/or often times shit them self uncontrollably.
Did you guys see jimmy in class today? Amy smacked his ass and he flabber-gassed-it all over the back row during a silent study.
by Yo mama and them April 5, 2022