hot pie noun2 •A savory pie (intended to be) served hot, especially one that is freshly baked.With those historic words, the hot pie—for long the national dish of Australia's common people, came into its own. In other words, the hot pie has entered society. — 1963 •A pizza made with romano cheese rather than mozzarella.The two most popular pizza parlors (after we stopped calling it “LaBeetz” or “hot pie” and began calling it pizza) were One-O-Five and the Half Moon. — 1997 formshot pies