incelcephaly Share definition Flag The medical condition of being unable to convince someone to give you oral sex. I have not gotten head for 6 years; I have a chronic case of incelcephaly. Also, I'm out of chronic. incelcephaly by Bogrimm September 25, 2020 0 0 Get merch Get the incelcephaly mug. Buy Now — $32.95 See more merch