We on some jiggy shit, na-nah, na-nah, neh-nah

from Elzhi – That's That One Lyrics on Rap Genius

Meaning

This is a reference to a Will Smith song from 1988, Gettin' Jiggy Wit' It. In it, the chorus says “Nana-nana-nanana"
http://www.youtube.com/watch?v=fasCMDfYB6Y

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