adjective similar to "1337" but specific to the actuarial profession. A word to describe something as incredible, amazing, great but in an actuarial context. This word was created in honor of the legendary candidate 453, who was the only candidate to pass casualty actuarial exam 7 in the Spring of 2011.
That loss development factor is 453!
If I pass my next actuarial exam, that would be really 453!