a thing made up by parents so that their kids will idolize him and become fat and red and stupid. than when they find he's not real, they go into denial and eat even more and then blow up.
Mom:hey fatty, santa told me to tell you that the only way youll get your presents is if you eat a lot.
Fatty:mom im soo full though.
Mom:I SAID EAT YOU FAT PIECE OF SHIT!!
Fatty:ok ok i'm sorrryy....BOOOOOM!!
Father:Wow that was a bigger explosion than te last one.