swear up and down

He can swear up and down that he believes it’s now an issue for the states, but anti-abortion activists and the current GOP have been extremely clear that their end goal is full legal rights for fertilized eggs—rights that necessarily come at the expense of the living, breathing people with said eggs inside them.

Even the Republicans who have had to swear up and down that they support in vitro fertilization after the Alabama court effectively banned it in that state have failed to do anything at the national level to protect fertility treatments and are, in some cases, doubling down on these vastly unpopular policies.

Everyone has their painting preferences, though, and lots of people will swear up and down that you need to tape off every last bit of your home while others say that tape is a complete waste of time.

And while proponents of abortion bans may swear up and down they have no intention of arresting women for abortions, as soon as they think they can get away with it, the cuffs come out.

I used to swear up and down that Quinton was some super-secret spy like James Bond.