An infectious disease spread by Simps or watching The Simpsons. Symptoms include: attraction towards unattractive women, playing on Elppa's simp-19 server, being a pussy, abandoning your bros to be with wamen. The only cure is to pray to Ninja to kill yourself after you respawn in your minecraft bed you have to surrender your soul for a while to be cleansed by Vladimir Putin using blood magic. Meanwhile your soul is being cleansed you have to surrender your self to the gulag and escape with the help of daddy Kim. After all of this you will be counted as one of the few people recovered from Simp-19 on worldometer.

The most common letter in the alphabet
It's also a commonly used letter for memers