There has to be a term for it, but I tended to think of him as solosexual: a self-sufficient sexual entity having no real need for human contact outside of himself.2009, J. F. Lewis, ReVamped, →ISBN, page 221:
Clintonista theologians talked about Jesus' admonition to “love thy neighbor as thyself.” The head of America's solosexual movement, Harold Litten, asked, “Did Jesus masturbate or did He have nocturnal emissions, wet dreams? Now, if you believe the Bible that Jesus was a human being in every way—it must be one or the other."2001, Joe Eszterhas, American Rhapsody, →ISBN, page 189:
1 more example
GC: When you wrote your book about being solosexual, [...]2016 April, “Solosexual: Portrait of a Masturbator”, in GayCalgary Magazine:
solosexual
noun
Etymology From solo + -sexual, after similar words in -(o)sexual.
1
Someone whose sexuality is primarily exercised or expressed alone.
I had an ill-considered marriage to a woman who had a low sex drive which lasted 12 years; we divorced mainly over our sexual differences. I am a happy solosexual.2018 January 26, anonymous author, The Guardian: