I remember catching the last half of a Sex in the City episode where Samantha, the "do anything" girl was dating a guy with a huge penis.
She appararntly hadn't had intercourse with him yet because she was, well, scared of how big it was.
Finally, she spent the whole day taking yoga and stretching and massage classes, then smoked a big joint when he came over.
The camera shows her face under him, at first getting this big

on her face, then, concentrating on relaxing, saying "hold on, hold on" or something, then finally smiling and says "ahhhh"
Then he says "ok, are you ready for the rest of it?"