Definition of if you'll excuse or pardon my French in English:
informal Used to apologize for swearing.
- Someone brought a guitar, too, and when I saw that, that's when I got the heck out of there, if you'll pardon my French.
- And, pardon my French, you'll rest your tired keister at night in some of the Alps' most inviting resorts and inns.
- You see, I don't know who sent these yet, because the chicken S.O.B., pardon my French, didn't have the guts to sign his name.