@AnokheeTara@ohai.social indeed “drinking our own champagne” / “drinking your own champagne” was one of the proposed alternatives when the community was renaming “selfdogfooding”, though it had some downsides:
I like your points about emphasizing where something is amazing, and encouraging more fun and celebration. More positive metaphors!
“taste your own cooking” is an excellent encouragement and variant of “eat what you cook” — I added it to the wiki (and quoted you if you don’t mind!) https://indieweb.org/eat_what_you_cook#Variants