Nearly useless, often low-priced software being distributed in the form of CDs or DVDs, so named because the software's practical use is that of being thrown like a frisbee
A parody of religious or spiritual belief in life after death. Indicates the belief that when a person dies, his/her souls rises and is thrown like a frisbee onto a roof, where it becomes attached and remains.
Because Joel was a frisbeetarian, he had no wonders about what had happened to his friend when he died, he knew for a fact that his soul was stuck on a roof.