1A pie in which sugar is a major ingredient of the filling, especially (in Quebec), an open or lattice-topped pie consisting of a pastry crust filled with a mixture of maple sugar or brown sugar and cream.
2As a term of endearment, especially for a girl or woman.
Origin
Late 19th century.
Definition of sugar pie in US English:
sugar pie
noun
1A pie in which sugar is a major ingredient of the filling, especially (in Quebec), an open or lattice-topped pie consisting of a pastry crust filled with a mixture of maple sugar or brown sugar and cream.
2As a term of endearment, especially for a girl or woman.