UPDATE: OP can now delete their own entries. Look for the trashbin icon.

There really needs to be some way of poking a user here.

Mods if you see this just delete this I made a mistake

You can't, now that there's votes and comments on your entry suggestion.

How do I undo a suggestion?

already a tag. https://nhentai.net/tag/gokkun/. If possible undo the suggestion