Screwing
It's the Spring of 1957 and BillyBob goes to pick up his date. He's a pretty hip guy with his own car. When he goes to the front door, the girl's father answers and invites him in.
"Peggy Sue's not ready yet, so why don't you have a seat?" he says.
"That's cool," says BillyBob.
Peggy Sue's father asks BillyBob what they're planning to do. BillyBob replies politely that they will probably just go to a movie.
Peggy Sue's father responds, "Why don't you two go out and screw? I hear all the kids are doing it."
Naturally, this comes as quite a surprise to BillyBob, so he asks Peggy Sue's dad to repeat it.
"Yeah," says Peggy Sue's's father, "Peggy Sue really likes to screw; she'll screw all night if we let her!"
Well, this just made BillyBob's eyes light up, and his plan for the evening was beginning to look pretty good.
A few minutes later, Peggy Sue comes downstairs in her little skirt and announces that she's ready to go. Almost breathless with anticipation, Billy Bob escorts his date out the front door.
About 20 minutes later, Peggy Sue rushes back into the house, slams the door behind her, and screams at her father: "DAMN IT, DADDY! IT'S CALLED THE TWIST!"