Meanings
From the use of French to mean “vulgar language”, ostensibly because the words used are not in English.
How to pronounce "pardon my French":
AU
To excuse the speaker's frankness of expression or profanity.
Example: "That computer is a worthless piece of shit, if you’ll pardon my French."
Example Sentences
1
I'm sorry, but your opinion is total bullshit, pardon my French.
2
That restaurant was a complete clusterfuck, pardon my French.
3
I stayed up all night studying for that test, but I still failed, pardon my French.
4
I've had a really shitty day, pardon my French.
5
This traffic is fucking ridiculous, pardon my French.