D.T.D.D.
Down to double dick: A girl who loves getting double penetrated. People use it when they think she's a total cock-sucker and just wants to be trampled.
You're D. T. D. D. again, and I still haven’t had my turn.
Why are you always D. T. D. D. and never me?
You’re D. T. D. D. and I’m just the backup guy.