PIE in Swedish

(linguistics, anthropology, etc.) Initialism of Proto-Indo-European.

A type of pastry that consists of an outer crust and a filling. (Savory pies are more popular in the UK and sweet pies are more popular in the US, so "pie" without qualification has different connotations in these dialects.)

(transitive) To hit in the face with a pie, either for comic effect or as a means of protest (see also pieing).