Question 1

What does “swear blind” mean?

Accepted Answer

to say that sth is definitely true

Question 2

How is “swear blind” used?

Accepted Answer

In The Prestige (2006), one line is: “one half of me swearing blind that I tied a simple slipknot,”

Question 3

Which movie is “swear blind” from?

Accepted Answer

The clip at the top of this page is from The Prestige (2006).

swear blind

Meaning