Give your roommate the rocket 

1) To have gay anal sex with another person
2) (Typically used as the question "Did you give your roommate the rocket?") Taken literally as a question whether or not one has passed on the gift of a model rocket to their roommate

1) Person A: "What are you doing after dinner?"

Person B: "I'm going to give my roommate the rocket!"
2) "Hey Sanjay! Did you give your roommate the rocket? I know he loves aeronautical models."

Give your roommate the rocket by Literal Rocket Giver February 20, 2012