swim the Bosphorus

Variant of swim the Tiber, by substitution of Istanbul's river Bosphorus for Rome's river Tiber.

swim the Bosphorus (third-person singular simple present swims the Bosphorus, present participle swimming the Bosphorus, simple past swam the Bosphorus, past participle swum the Bosphorus)

1. (intransitive) To convert to Eastern Orthodoxy.

• swim the Forth (“convert to Presbyterianism”)
• swim the Rhine (“convert to Lutheranism”)
• swim the Thames (“convert to Anglicanism”)
• swim the Tiber (“convert to Roman Catholicism”)