be all for

And will it be all for naught if they later attend different high schools?

On the contrary, he's claiming that Republicans would be all for robust social spending if, gosh darn it, the ladies would just agree to settle down and have more babies.

Even in the GOP world, where hypocrisy is the norm, it's a tough sell to be all for sexism, unless you're the target.

That said, yes, I would be all for “Poirot v Marple: Dawn of Justice,” provided they find the right actor to play Miss Marple.

A boy holding a portable speaker playing pop hits added he would be all for “girls being priests.”