A possible concise summary is:
A man hires his friend Vic, an escaped convict, to dress up as Santa Claus for his son Jeffy, who wants a Gucci Xbox for Christmas. Vic kills the real Santa Claus with a lightsaber and gets arrested. The man gets a reward for ratting out Vic and buys Jeffy the Gucci Xbox. Vic escapes from jail and threatens the viewers.
Here are some possible facts extracted from the text:
1. Jeffy is 17 years old and doesn't believe in Santa Claus.
2. Marvin hires Vic, an escaped convict and murderer, to dress up like Santa Claus and talk to Jeffy.
3. Vic kills Santa Claus with a lightsaber and a Christmas tree.
4. Marvin and his wife get a $10,000 reward for turning Vic in to the police.
5. Jeffy gets a Gucci Xbox for Christmas and thinks Santa Claus is real.