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1. Majide
This is the name of the show-within-the-show on the American reality show 'I Survived a Japanese Gameshow'.

The Japanese translation of Majide is "seriously?!"

I was watching 'I survived a Japanese Gameshow' last night, and got so into it I shouted Majide! with the audience.
2. majide
A term used by wapanese to mean "really". Derives from Japanese, "maji de", idiomatically meaning "for real"
That baka is so wapanese, saying majide like he speaks the language.