A practitioner of the most grave and foul of sins: Godomy... Which is to say, of course, someone who's become so deliriously happy with having god up their own ass that they try to forcibly shove god up your ass as well.
This is distinct from someone who tries to shove a non-deitic imaginary being up your ass... The proper term for that sort of person is "demented ass-freak". You can keep the specifics clear with this handy rule of thumb: Remember... All godomites are demented ass-freaks, but not all demented ass-freaks are godomites.
Anyone currently living in the US will recognize this one right away, but probably assume it refers only to radical christians. Actually it means anyone who tries to forcibly shove any deitic being up your ass.
Preacher Bob: Do you know JC? Lemme tell you about JC! JC is so wonderful, he can walk on water! JC died for your sins! I -love- JC, he's the best. Everything is better with JC! What would JC do? No JC, no peace - Know JC, know peace! Have you accepted JC as your personal dominatrix... -er- ...I mean "savior"! heh... Silly me.
Healthy person: Eeek!! Godomite! Get away from me!