Invalid tag question/issues

Havok_Pony
Birthday Fur - Joined within the first year of the site operation and has had significant amount of activity as of June 1, 2021.
Astra - Helped choose the name for our mascot - Astra.
Passing of the Eclipse - Joined within the first month of public opening and has had at least some activity as of August 3, 2020.

As of posting there are currently 188 images with Invalid Tag, which seems problematically high, and looking at the list of things aliased to it, possibly some of those should be aliased to something else, and others I question why they are on the list in general.
Aliases: furry, lucky bastard, furryfandom, community related, anal play, kill it, manebooru exclusive, bodily fluids, non-pony oc, derpibooru import, non-mlp oc, op is trying to start shit, not pony related, not cute, op is a duck, furry and pony, adorapipp, furryartist, furryyiff, furryporn, furryart, bhfyp, myart, furry girl, derpibooru exclusive, genital fluids, anthro art
Clearly the x exclusives are invalid (and any MLP image board default tags), but why are community/fandom invalid tags?
Most of the Fluids tags seem like they should instead be aliased to something (not sure what is the right tag), rather than invalid, and probably Anal Play as well.
And then the furry ____ seem again great targets for aliasing. Furry Art might be a bit vague, but “furry Porn” and friends could just default to “explicit”, “furry girl” is just “anthro” + “female”, “furry and pony” is “anthro” + “feral”.
Setting up more aliases would just cut down a lot on the need to do periodic invalid tag cleanups, and the current lis is so all over the place it’s near impossible to tell WHY something is getting marked invalid.
CruFox
The 1% - Hit 1% of Uploads Milestone for a year
Even Worse Kobold -
Birthday Fur - Joined within the first year of the site operation and has had significant amount of activity as of June 1, 2021.
Tag Master - Exceptionally Good and Proficient Tagger
Derpy Fur - Prevented Furbooru's terrible fate in April of 2021.
Dedicated Lifter  - Uploaded over 5k art pieces
Seedling - Gave the site life with many uploads during its first months
Heavy Lifter -
Astra - Helped choose the name for our mascot - Astra.
Passing of the Eclipse - Joined within the first month of public opening and has had at least some activity as of August 3, 2020.

Moderator
I like tags
@Havok_Pony
I see two, maybe three tags from what currently is aliased into “invalid tag” that could be aliased into something else:
furryfandom -> furry fandom
anthro art -> anthro
and maybe the third one could be:
adorapipp -> pipp petals (mlp)
Most of the Fluids tags seem like they should instead be aliased to something (not sure what is the right tag), rather than invalid, and probably Anal Play as well.
I can imagine somebody using “anal play” for both sex and masturbation and I don’t see other candidates except “explicit” for both of them, but more on that below.
And then the furry ____ seem again great targets for aliasing. Furry Art might be a bit vague, but “furry Porn” and friends could just default to “explicit”,
We don’t do aliases or implications into rating tags, it would create the possibility of having not acceptable combinations of tags, like both “questionable” and “explicit” could potentially be present on one image. You can’t manually add them both, but it’s possible to end up with that with an alias to rating tag.
“furry girl” is just “anthro” + “female”, “furry and pony” is “anthro” + “feral”.
Unfortunately there is no way to currently alias one tag into more than one tag.
Another thing to consider is also how suggestion system works with fancy tag editor enabled. If for example “furry girl” was aliased into “female” then after typing “furry” in tag editor the first suggestion would be “female” as this tag has the most images under it.
You can observe this for example with the “weapons-grade cute” being aliased to “cute”, when typing “weapon” in tag editor the first suggestion is just “cute” which looks strange and is unhelpful.
Havok_Pony
Birthday Fur - Joined within the first year of the site operation and has had significant amount of activity as of June 1, 2021.
Astra - Helped choose the name for our mascot - Astra.
Passing of the Eclipse - Joined within the first month of public opening and has had at least some activity as of August 3, 2020.

A lot of that does make sense, so, I can see the point there, but I might also point out that in the case of Anal Play, if it could be tagged into multiple things maybe it would have a point to exist for sex or masturbation focused on the anus?
Regarding the Fluids tags, this might again be the case of needing to have something, because of all of the tags being flagged as invalid, there are a fair number of images just tagged “fluids”, so it seems that maybe there is value in having something there because there is clearly demand for the tag or either flag or search?
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