User blog comment:Spawny0908/UPDATE!!!!: The Free DLC pack is coming in...../@comment-107.5.143.219-20110815060016/@comment-1407184-20110815162056

It's never explicitly stated that de Santa "rapes lil boys". It is implied by Reyes, who is hates de Santa, so it's likely just an insult to further dirty his name, and not really truth.