The Ratio or Ratioed refers to an unofficial Twitter law which states that if the amount of replies to a tweet greatly outnumbers the number of retweets and likes, then the tweet is bad. Additionally, “to ratio” a tweet means to make a quote retweet or reply that manages to get more likes and retweets than the quoted post.
Massive downvote to upvote discrepancy on Lemmy would constitute “a ratio” / “getting ratioed“.