A thick lead-bismuth alloy in the shape of a giant surfboard, on top of an even larger ablative base, with some Fogbank on the bottom side (for that extra oomph).
Face the alloy side away from explosion at a proper distance and enjoy your "once in a lifetime" wave.
I want to try to surf a nuclear explosion. I'm sure it can be done.
A thick lead-bismuth alloy in the shape of a giant surfboard, on top of an even larger ablative base, with some Fogbank on the bottom side (for that extra oomph).
Face the alloy side away from explosion at a proper distance and enjoy your "once in a lifetime" wave.
(stopping might be a problem)