Fallen to the russians

When a lady has her special time during a monthly cycle, when the red tide comes in

e.g "Hows your missus dan?"
"im keeping well clear mate shes fallen to the russians"
- When the reds come to town

Mamma Mia My #### has Fallen to the Russian Black League

You say this when you are on Cocaine.

Well, Mamma Mia My #### has Fallen to the Russian Black League!