When you have sex with a woman on her period and she bleeds all over the place making it look like a police crime scene.
Susy is on her period. That means we'll be having crime scene sex.
Sex with a woman during her menstrual cycle, leaving the bed and sheets looking like a crime scene.
"Hey, sexy mama, pull out 'dat tampon. We's gunna have some crime scene sex!!"
A male having intercourse with a female, during her heaviest period flow, so the bed sheets are stained with blood. Thus resembling a crime scene.
I had crime scene sex with my fiance, while she was on her period.
Sex while on your period.
She sometimes likes having crimescene sex to relieve her menustral cramps.