I found my substantive post!

[etherial]

OK, it's humor, but still:

Plowcrete, n. The hardest substance known to man. An alchemical creation made by a bitter man by mixing equal parts bitter cold and bitter coffee.

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Plowcrete

[etherial.livejournal.com]

Plowcrete is the large piles of super-strong concrete that plows push over your driveway when plowing the roads. Digging through the plowcrete wall doubles the digging time of your driveway.