Top definition
A blood comet is a substantial clot of congealed menstrual blood that forms a comet-like shape in the toilet upon ejection from the vagina. There is always a head-like structure, with some manner of tail, sometimes long enough to swirl around the circumference of the bowl.
"Guys, I made the biggest blood comet in the toilet just now."
by Dr. Moneypenny Esq. April 28, 2014
Get the mug
Get a blood comet mug for your coworker James.