When it is not slurred as “unhealthy” or “unmanly”, anal/oral sex between men is mocked and deplored as a byword for complicity, degradation, cowardice or obsessive behavior. It has the same rhetorical punch as any gendered insult involving female anatomy.
We still have not rehabilitated our cognolinguistic treatment of the feminine and non-heteronormative. We still have yet to distance ourselves from the elevation of cishet masculine expectations.