what does "lick one's chops"mean? what does "chops"mean?
penetrating so many secrets, we cease to believe in the unknowable. But there it sits nevertheless, calmly licking its chops.—— H.L.Mencken

Question

Answer

It means it was eagerly waiting for something; anticipating; relishing the idea:

e.g. He was already licking his chops over the expected inheritance.

It comes from the idea of someone licking their lips (chops) when thinking of something good to eat.

http://idioms.thefreedictionary.com/lick+chops