Copper sulphate, written in its chemical formula as CuSO4, means, "four piles of shit," derived from the Japanese word for shit, "kuso," and to the power of four.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)