The tag alias #75149 tongues_out -> tongue_out has been approved.
Reason: Plural to singular alias.
Not used often, but it's cropped up a few times and harmless to alias away: https://e621.net/post_versions?commit=Search&search%5Btags_added%5D=tongues_out
EDIT: The tag alias tongues_out -> tongue_out (forum #438453) has been approved by @furrypickle.
Updated by auto moderator