(n.)It simply means any type of sexual intercourse held to be abnormal or 'unnatural'(in other words, every kind besides penetrative vaginal
sex).
It has biblical origins in the book of
Genesis in the Holy Bible, which tells the story of the sinful cities of Sodom and Gamorrah. The term comes from the Ecclesiastical Latin: pecatum Sodomiticum, or "sin of Sodom".
In religion the term "sodomy" is generally interpreted as referring to both oral
sex and anal intercourse, as well as bestiality.
However, this can presumably mean many other types of sexual encounters; it is not unreasonable to classify kinky and/or fetish-
based sex as sodomy.
So if you think it only means buttsex or gay
sex, you've obviously never looked it up in a REAL dictionary.
Dude, did you sodomize with your
girlfriend last night?
-Eww, no! We just had oral
sex.
That's still technically sodomy, y'know.
-WHAAAAT?!
"I am a gentleman who likes to partake in sodomy with other fellows on the veranda after my morning
tea."