Top Definition
To use Yo Mama jokes without any intention to and without any thought process.
Jenny: Oh my god. There's a dog on fire outside!
Harold: Yo Mama on fire outside!
Jenny: Where?!
Kenny: Relax Jenny. That's only his Yo Mama Reflex.
Harold: That's only yo mama's Yo Mama Reflex!
by Swid December 30, 2005
5 Words related to Yo Mama Reflex

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