code x

Taken from the movie "Training Day," a fake police code for sex.

Me and Mike fucked Daphne CODE X last night!

Code-X

When a person internally ejaculates on a woman or a man.

Alonzo: But, I don't believe you. You tapped that ass, didn't you. C'mon, tell the truth, you know you tapped that ass. You put her in the backseat, BAM. Code-X.

Code-X

Having Sex in the missionary position. (the legs form an X-shape)

sex part: "What's the password?"
you: "CODE-X!"