"Comida rápida" in Brazil and "Comidapronta" in Portugal may be Portuguese equivalents of "fast food."
Specifically, the feminine noun "comida" means "food." Its singular definite article is "a" ("the"). The feminine adjectives "rápida" and "pronta" respectively mean "fast, quick, rapid" and "done, finished, ready."
The respective pronunciations are "koo-MEE-duh HA-pee-duh" according to Brazil's Rio de Janeiro accent and "koo-MEE-duh PROHN-tuh" in Portugal.