Sexual overtones of the word synnilingus

Following up on this post, for those that think the term kennilingus is just designed to taunt Wilber and his followers for sucking his dick (which is only a small part of its meaning), synnilingus could be interpreted as even more disgusting on the sexual front as those that lick and suck the most sinful of places imaginable. And not just on human beings! Ewww!