まんま【飯】 : manma | define meaning

Cognate to the uncommon Japanese form おまんま【お飯】 omanma "cooked rice; meal", perceived as baby talk in the standard language or vulgar in western Japanese dialects. It is believed to have derived from a contraction of the reduplicated form of the adjective うまい umai "delicious, tasty" (Yonekawa, Akihiko. "World Around Us" Beyond Polite Japanese: A Dictionary of Japanese Slang and Colloquialisms. Japan: Kodansha International, 2001. 98. Print.).