A sexual act whereby, unbeknown to your sexual partner, you light a small fire underneath the cot of your's and your partners sleeping baby. you then proceed you have rigorous sex with your girlfriend from behind, still attempting to see how long you can hold on for whilst she tries to scramble away from your clutches to save the baby. Requires a large degree of resilience.
"My bird is not talking to me at the moment. I tried a quick Moroccan cot death on her last night and she didnt see the fun side"