Here we go again with known characters, genders, tagging what you see, and outside knowledge.
Jazzpaintball mentioned in https://www.e621.net/forum/show/32290 that they were reprimanded for putting male on a number of images. I'm not here to start beef with mods, but to point out that this raises some issues.
The images in question are:
post #180755, post #179767, post #181091 post #159390
As far as I'm concerned, those are all male. No dickgirls or herms in sight. Just a bunch of equines with penises. I thought that to be labeled dickgirl, a character had to display secondary female sexual organs, such as titties. None of those horses seem especially female. Feminine, maybe, so they'd warrant the girly tag. But they look like males. The only way you can call them dickgirls is if you violate TWYS and bring in outside knowledge that those characters ought to be female. Even so, it's irrelevant, because they're already a different gender than their canon gender, so the only way to know if they're a dickgirl rather than just a canonically female character depicted as a male is if there are other defining characteristics. Here it's just a bunch of ponies with penises, making them male.
I note also that the female tag has been added to (and left on) the first two images, where there is no obviously female character. There is, in each instance, one (1) pony with a penis (ruling out "female"), and then one character of ambiguous_gender.
So there seem to be some inconsistencies in our TWYS ruling when it comes to characters with known canon genders.
post #181091 could be argued to be a herm, as she is called "Futashy" in the picture, but it's impossible to know whether she's getting pegged in the ass, or in a vagina. I would be willing to concede hermdom for that image.
Updated by Waffuru