Demesnedenoir
Myth Weaver
Yes! Those are a geeky good time, heh heh. One of the funnest bits I’ve found about sayings is that a saying will come to me, and it sounds good, but then... why? So, bits of world-building history gain another level of detail when coming up with the story of why this exists and what it means. Oh, and there is a type of reader who just eats that stuff up... must be people like me.
Idioms are my favorite part of writing fantasy societies. Profanity is a close second.