While two fingers are in the vagina, they are slowly slid out while the penis is simultaneously slid in, making the seamless transition to sexual intercourse. It is reminiscent of the beginning of "Raiders of the Lost Ark" when Indy simultaneously switches the bag of sand with the golden idol.
1. I wasn't sure Suzy was down to fuck, but after I gave her the Indiana Jones, she had no choice but to accept it.
2. I never knew how to make the transition from foreplay to sex, but now that I've learned the Indiana Jones, I'm getting my dick wet much more often.