noun. The simultaneous co-occurrence of a queef and a fart; sometimes due to a recto-vaginal fistula (small tear in the anal wall connecting the rectum to the vaginal canal), but sometimes the result of a queef and fart occurring simultaneously by sheer coincidence.
verb. To queef and fart simultaneously.
Sheila spread her legs and let the juiciest quart I ever had the displeasure to hear. I couldn't believe how loudly she quarted.
The act of sticking ones thumb in the ass of another as they bend over and yelling quart low. Little kids love to do this to parents in stores to embarress them.
Lil Johnny while in Wal-Mart catches his mother bent over and jabs his thumb in her ass yelling quart low as he does.