Talk bad about her nigga guaranteed to snap like bra
Strap sticking together like grandma and grandpa-pa

from Outkast – Jazzy Belle Lyrics on Rap Genius

In this verse both Andre and Big Boi are sharing the sentiment that many girls try to snug up to them, and in this line, it is implied that if one tries to bad-mouth either one of these players by gossiping or talking shit about them to a girl of theirs (in hopes of persuading said girl to leave her man), said girl will take offense and snap back at whoever is attempting to break them up.

Basically its just saying that the girls who are up on Dre and Big Boi aren’t just any fickle hos — Big Boi and Dre have enough charm to keep girls with any class at all faithful to them

Snap just means to go crazy, like that show on oxygen? [yes, essentially she will go crazy on your ass if you talk shit about her man]

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