preferable to saying party started, as it conveys much more intensity and emotion;
also when using, it must roll offthe tongue effortlessly without thinking
When you fart and poop at the same time; same as sharting, but PG rated and more relevant due to "parting" your cheeks with more than just gas.
I tried to relieve bloating pressure by farting and parted instead, so I ran red-faced and clenching my butt cheeksall the way to the bathroom while my blind date raced for the exit.