F.F.F.F.
Fat, Forty, Female, and Fertile. This is for women with big guts and a lot of kids. Fertile means she had three or more kids.
My aunt is an F. F. F. F. She had six kids and still eats three pizzas at once.
My cousin’s mom is an F. F. F. F. She had four kids and still works full time.
My neighbor is an F. F. F. F. She had five kids and still has time to gossip.