It means "veto-proof."
Calm down, FRiend. I’m not “saying” anything.
You’re reading combativeness into my post where there was literally none. I was merely acknowledging that while I realized he (de Santis) has a strong majority, I didn’t realize it was a supermajority. I was emphasizing the point of my own ignorance, the super- prefix.
So:
1) thanks for educating me
and
2) no thanks for the pedantic condescension