oral penile stimulation
autofellatio
https://en.wikipedia.org/wiki/Autofellatio
https://www.wikidata.org/wiki/Q4303
Oral stimulation of one's own penis primarily using the tongue and lips.
autofellation
autofellator
autoirrumation
self-fellator
autogenital stimulation
The Complete Dictionary of Sexology
Sex Variants: A Study of Homosexual Patterns