SOP, noun

1. Anything steeped or dipped and softened in liquor, but chiefly something thus dipped in broth or liquid food, and intended to be eaten. Sops in win, quantity for quantity, inebriate more than win itself.

2. Any thing given to pacify; so called from the sop given to Cerberus, in mythology. Hence the phrase, to give a sop to Cerberus.