The Merle Haggard is a stone cold classic. 98
No one could intone the word "Mama" like Elvis--he usually included a couple of extra syllables. 95
Cowboys: Another classic. 97
Springsteen: a brilliant live video--maybe not the best anti-mama song; that would probably be Zappa's "My Guitar Wants to Kill Your Mama." 98 for the video performance, 85 for a momma song.
Here's a country song that has lots of covers
https://youtu.be/nTYHc4_DFUI?si=AgkSWdPiiok955Qd
I chose the Cash version because he sang it in a prison (and because he knew what the experience was like.)