When a public restroom stall is rendered unusable pending thorough disinfectant cleaning, either through odor, residual feces deposits, or a combination of both.
Drone 1: Hey, how did your standing 10:30 meeting go?
Drone 2: Dude, I had to reschedule. Somebody committed stallicide in the handicapbathroom.
Drone 1: HAH! REVENGE IS SWEET, BITCH! NEXT TIME STAY AWAY FROM MY YOGURT!
A term used by silly people (femcels), refering to suicide. This is a way for them to make it sound less serious to others and or themselves as a way to cope with their thought. If you hear someone talking about sillycide you should go and give them a warm hug.