A large hemorrhoid located on the left side of the anus. Typically caused by innate brain cell deficiency or brain damage. Has a mortality rate of 97% and is extremely contagious. Symptoms are described as loss of intelligence and a general sense of worthlessness. The only cure is complete eradication of the body, effectively cremation.
"John got a case of Cowsta, and we had to put him down."
de The Nutcraker 7 octobre 2012