Comedian Lavelle Crawford once had a "Yo Momma" battle with his own mother. At first he was skeptical, because that meant she would basically be dissing herself (because she's his momma), but he made the mistake of agreeing to the game anyway.
Watch him tell the story during a stand-up routine:
WARNING: This video contains explicit language. Viewer discretion is advised.
The moral of this story: let your mother watch whatever TV she wants to watch.