posts/phrases: add is that good

site-src/phrases.mdx

@@ -56,3 +56,20 @@ You can say it when you learn or figure something out, especially when it's some
 Variations:
 - “Learning is so important.”
 - “It's so important to learn what a book is.”
+
+## Is that good
+From this tweet that I can't be bothered to find a non-rotten link for
+> [mysterious old lady flips tarot card revealing a dude who looks exactly like me flying a hot air balloon into power lines]
+>
+> Me: is that good
+It's perfect for when something is bad in a comically obvious way.
+Or good in a comically obvious way!
+
+Variations:
+- “[Battery status: 7%, not charging] is that good”
+- “[`nonrecoverable invalid memory reference`] is that good”
+- “[98% of the 19,723 user reviews for this game are positive] is that good”
+
+Toby Fox [also said it apparently](https://x.com/tobyfox/status/1930322392792084813).
+(Example of the positive use)
+