Why can't orphans walk through doors?
Because they don't have a house to walk into.
Why can't orphans walk through doors?
Because they don't have a house to walk into.
Listen here, lil' buddy. You see, the joke plays on the stereotype that orphan don't have parent and thus also don't have home. So they can't walk through a door 'cause they ain't got no house. Get it now, genius?