Pardon my French
Meaning
Apologize for swearing or saying something impolite.
Usage
Often precedes slang or taboo expressions.
Origin & History
Origins and dates here are approximate summaries. Many idioms have disputed or unknown origins, and not every date has been checked against a historical dictionary, so treat specific dates and stories as a starting point rather than a citation.
Victorian polite excuse when using profanity.
Used since the 19th century when people feared sounding rude.