yeah, it is truly the motherlode of comedy material
Discussion
Hmph. Here I thought it would have been spelled "motherload", especially in relation to this topic.
I was wrong. You were right.
https://brians.wsu.edu/2016/05/25/motherload/ | https://archive.ph/lDyrS
yes, i'm the linguistics geek
it's sorta valid to say "motherload" when you talk about something movable but a rich fixed resource is a motherlode