Term used to describe my unnaturally large penis. Typically given to a person named Matt. Names also referring to Jesus Monster Cock are White Python and Don Knotts. J.M.C is the accepted abbreviation for Jesus Monster Cock
M: Hey Chan, did you hear Brit screaming last night?
M: Well, she was riding my Jesus Monster Cock like a pogo stick! I was giving some major Don Knotts.