You know what they say, age doesn't matter if it's a dead body
Huh, what does that mean? Is this something unsavory about the dead?
Yes, I'm implying that when it comes to anything below the belt, being dead is always better.
Dead people really deserve a lot of respect, not these harmful necrophilia jokes. These words might offend the families of the deceased greatly and worsen their grief. I suggest you just celebrate their life with them instead and make happier memories.