So metonymy, which I referred to, is apparently not a subspecies of synecdoche, as I claimed, but -- interestingly -- is rather defined as whatever the hell you were talking about: the substitution for a thing of a second related thing.
ANDREW:
A ha!
As it turns out, that term I was thinking of, asyndeton, means leaving out conjunctions in a list, as in:
I love sushi, football, breasts.
SCOTT:
Asyndeton but then I found Jesus.