Cops:
See officer in rear view mirror of car.
Boy: Aww, darnit
Officer walks up to window of car and leans in.
O: Seems you've got an expired registration, son.
Boy: Uh yeah.  I know.
O: I'm gonna have to give you a ticket.  It's over 6 months expired.
Boy: I've been meaning to get it...
O: Well.  That's all I need to hear.  You're going to jail
Boy: ...
O: Nah, I'm just kidding.  I'll let you go this time, but you get that registration taken care of Asap, got it?
Boy: ...uh, yes sir.
Boy Drives off