Initially coined by Vice Ganda, a well-known Filipino gay actor, to imply someone as stupid, idiot or foolish for doing stupid, idiot or foolish acts.
Derived from the tagalog word "tanga" which also consists the same meaning.
Girl: Malalim kong ginugupit ang kuko sa paa ng anak ko para matagal ang pagtubo nito.
Vice Ganda: Teh, shunga ka ba?
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