head cheese noun3 •(US, Canada) A terrine made from the flesh of the head of a pig (such as the face). •Synonym of big cheese.Oh, some of our clients talk big. Spend big. And you get a big rush of power when the head cheeses come in. One time, I got Janet Reno. — 1996 •(slang, euphemistic) Synonym of cock cheese. formshead cheeses