I support so many of these stamp ideas! especially the sign language one, but also; more spider and snake/reptile stamps, cryptid stamps, perhaps more or varied ribbon/awareness stamps, and I'd love more pronoun options, as well as identity flags!
In particular, I would love to see an 'ambiamorous' stamp! polyamorous is close, more known, and included already.
One more, but I'd love to see tattoo or piercings stamps. Even if just a generic "I have" or "I love" would do, since we do have a good handful of pets with them (2010 Store Punks, 2023 Halloween lions for piercings), and tattoos (can't think of pets in particular but I know we have tattoo items). Also, I think it would be cute to see stamps for loving stickers (if we don't already have one), and temporary//stick-on tattoos