What happens when you commit suicide at Christmas. This is a popular time to kill yourself as many people become depressed at this time of year.
Frank: Did you hear what happened to Bob?
Jim: No, what happened?
Frank: He committed Christmacide! His wife left him and he just lost it!
The deliberate and systematic destruction or prevention of Christmas celebration.
There would be no presents for anyone this year -- Mother had committed christmacide and the holiday celebration was cancelled.