I think I remember trying to find this font a decade ago when the song came out, but I found something that was subpar.
If this isn't an actual font, I understand. I'd still like to try and find something extremely similar to it.


Mega Bone  Suggested by fonatica 

similar style

https://www.dafont.com/john-bones.font
https://www.dafont.com/spookybones.font
https://www.dafont.com/pirate.font
https://www.dafont.com/cartoon-bones.font
https://www.dafont.com/bones-in-black.font
https://www.dafont.com/skeletor-funny.font
https://www.1001fonts.com/selangka-font.html
https://www.1001fonts.com/groovy-skltns-font.html
https://www.fontspace.com/spoonge-punk-font-f10887
https://www.fontspace.com/warbones-font-f84132