Russia's Red Line
A Proverb used to describe a warning that bears no real consequences. Similar to "China's Final Warning" Can also be said as Russian Red Line" if needed.
"Sam said that if I keep playing Destiny, she'll leave me. I swear, it's like the 5th time she said that."
"Ah, sounds like she's giving you a case of Russia's Red Line."
"Ah, sounds like she's giving you a case of Russia's Red Line."