Define death slap with reference to C210s .
Trying to start a pissing contest are we?
When the wing spar lets go the wings slap against the sides of the fuselage as opposed to the popular belief they clap overhead. I'm sure you knew that which is why you were asking.
There was a recent inflight breakup VH-WBZ. The ATSB report is available online.
As for the C210 reputation, why do you think it has such low Va and high cruise speed? It's the first thing you are briefed on when you fly it!